21104144820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{6971}}^1$

素因数の和:7147

約数の個数: 216

約数和(自身を含む): 70880977440

約数和(自身を除く): 49776832620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 139, 165, 180, 198, 220, 242, 278, 330, 363, 396, 417, 484, 495, 556, 605, 660, 695, 726, 834, 990, 1089, 1210, 1251, 1390, 1452, 1529, 1668, 1815, 1980, 2085, 2178, 2420, 2502, 2780, 3058, 3630, 4170, 4356, 4587, 5004, 5445, 6116, 6255, 6971, 7260, 7645, 8340, 9174, 10890, 12510, 13761, 13942, 15290, 16819, 18348, 20913, 21780, 22935, 25020, 27522, 27884, 30580, 33638, 34855, 41826, 45870, 50457, 55044, 62739, 67276, 68805, 69710, 76681, 83652, 84095, 91740, 100914, 104565, 125478, 137610, 139420, 151371, 153362, 168190, 201828, 209130, 230043, 250956, 252285, 275220, 302742, 306724, 313695, 336380, 383405, 418260, 460086, 504570, 605484, 627390, 690129, 756855, 766810, 843491, 920172, 968969, 1009140, 1150215, 1254780, 1380258, 1513710, 1533620, 1686982, 1937938, 2300430, 2530473, 2760516, 2906907, 3027420, 3373964, 3450645, 3875876, 4217455, 4600860, 4844845, 5060946, 5813814, 6901290, 7591419, 8434910, 8720721, 9689690, 10121892, 10658659, 11627628, 12652365, 13802580, 14534535, 15182838, 16869820, 17441442, 19379380, 21317318, 25304730, 29069070, 30365676, 31975977, 34882884, 37957095, 42634636, 43603605, 50609460, 53293295, 58138140, 63951954, 75914190, 87207210, 95927931, 106586590, 117245249, 127903908, 151828380, 159879885, 174414420, 191855862, 213173180, 234490498, 319759770, 351735747, 383711724, 468980996, 479639655, 586226245, 639519540, 703471494, 959279310, 1055207241, 1172452490, 1406942988, 1758678735, 1918558620, 2110414482, 2344904980, 3517357470, 4220828964, 5276036205, 7034714940, 10552072410, 21104144820]

約数ペア:

[(1, 21104144820), (2, 10552072410), (3, 7034714940), (4, 5276036205), (5, 4220828964), (6, 3517357470), (9, 2344904980), (10, 2110414482), (11, 1918558620), (12, 1758678735), (15, 1406942988), (18, 1172452490), (20, 1055207241), (22, 959279310), (30, 703471494), (33, 639519540), (36, 586226245), (44, 479639655), (45, 468980996), (55, 383711724), (60, 351735747), (66, 319759770), (90, 234490498), (99, 213173180), (110, 191855862), (121, 174414420), (132, 159879885), (139, 151828380), (165, 127903908), (180, 117245249), (198, 106586590), (220, 95927931), (242, 87207210), (278, 75914190), (330, 63951954), (363, 58138140), (396, 53293295), (417, 50609460), (484, 43603605), (495, 42634636), (556, 37957095), (605, 34882884), (660, 31975977), (695, 30365676), (726, 29069070), (834, 25304730), (990, 21317318), (1089, 19379380), (1210, 17441442), (1251, 16869820), (1390, 15182838), (1452, 14534535), (1529, 13802580), (1668, 12652365), (1815, 11627628), (1980, 10658659), (2085, 10121892), (2178, 9689690), (2420, 8720721), (2502, 8434910), (2780, 7591419), (3058, 6901290), (3630, 5813814), (4170, 5060946), (4356, 4844845), (4587, 4600860), (5004, 4217455), (5445, 3875876), (6116, 3450645), (6255, 3373964), (6971, 3027420), (7260, 2906907), (7645, 2760516), (8340, 2530473), (9174, 2300430), (10890, 1937938), (12510, 1686982), (13761, 1533620), (13942, 1513710), (15290, 1380258), (16819, 1254780), (18348, 1150215), (20913, 1009140), (21780, 968969), (22935, 920172), (25020, 843491), (27522, 766810), (27884, 756855), (30580, 690129), (33638, 627390), (34855, 605484), (41826, 504570), (45870, 460086), (50457, 418260), (55044, 383405), (62739, 336380), (67276, 313695), (68805, 306724), (69710, 302742), (76681, 275220), (83652, 252285), (84095, 250956), (91740, 230043), (100914, 209130), (104565, 201828), (125478, 168190), (137610, 153362), (139420, 151371)]