21152803980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{55163}}^1$

素因数の和:55276

約数の個数: 192

約数和(自身を含む): 74733539328

約数和(自身を除く): 53580735348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 83, 84, 105, 110, 132, 140, 154, 165, 166, 210, 220, 231, 249, 308, 330, 332, 385, 415, 420, 462, 498, 581, 660, 770, 830, 913, 924, 996, 1155, 1162, 1245, 1540, 1660, 1743, 1826, 2310, 2324, 2490, 2739, 2905, 3486, 3652, 4565, 4620, 4980, 5478, 5810, 6391, 6972, 8715, 9130, 10956, 11620, 12782, 13695, 17430, 18260, 19173, 25564, 27390, 31955, 34860, 38346, 54780, 55163, 63910, 76692, 95865, 110326, 127820, 165489, 191730, 220652, 275815, 330978, 383460, 386141, 551630, 606793, 661956, 772282, 827445, 1103260, 1158423, 1213586, 1544564, 1654890, 1820379, 1930705, 2316846, 2427172, 3033965, 3309780, 3640758, 3861410, 4247551, 4578529, 4633692, 5792115, 6067930, 7281516, 7722820, 8495102, 9101895, 9157058, 11584230, 12135860, 12742653, 13735587, 16990204, 18203790, 18314116, 21237755, 22892645, 23168460, 25485306, 27471174, 32049703, 36407580, 42475510, 45785290, 50363819, 50970612, 54942348, 63713265, 64099406, 68677935, 84951020, 91570580, 96149109, 100727638, 127426530, 128198812, 137355870, 151091457, 160248515, 192298218, 201455276, 251819095, 254853060, 274711740, 302182914, 320497030, 352546733, 384596436, 480745545, 503638190, 604365828, 640994060, 705093466, 755457285, 961491090, 1007276380, 1057640199, 1410186932, 1510914570, 1762733665, 1922982180, 2115280398, 3021829140, 3525467330, 4230560796, 5288200995, 7050934660, 10576401990, 21152803980]

約数ペア:

[(1, 21152803980), (2, 10576401990), (3, 7050934660), (4, 5288200995), (5, 4230560796), (6, 3525467330), (7, 3021829140), (10, 2115280398), (11, 1922982180), (12, 1762733665), (14, 1510914570), (15, 1410186932), (20, 1057640199), (21, 1007276380), (22, 961491090), (28, 755457285), (30, 705093466), (33, 640994060), (35, 604365828), (42, 503638190), (44, 480745545), (55, 384596436), (60, 352546733), (66, 320497030), (70, 302182914), (77, 274711740), (83, 254853060), (84, 251819095), (105, 201455276), (110, 192298218), (132, 160248515), (140, 151091457), (154, 137355870), (165, 128198812), (166, 127426530), (210, 100727638), (220, 96149109), (231, 91570580), (249, 84951020), (308, 68677935), (330, 64099406), (332, 63713265), (385, 54942348), (415, 50970612), (420, 50363819), (462, 45785290), (498, 42475510), (581, 36407580), (660, 32049703), (770, 27471174), (830, 25485306), (913, 23168460), (924, 22892645), (996, 21237755), (1155, 18314116), (1162, 18203790), (1245, 16990204), (1540, 13735587), (1660, 12742653), (1743, 12135860), (1826, 11584230), (2310, 9157058), (2324, 9101895), (2490, 8495102), (2739, 7722820), (2905, 7281516), (3486, 6067930), (3652, 5792115), (4565, 4633692), (4620, 4578529), (4980, 4247551), (5478, 3861410), (5810, 3640758), (6391, 3309780), (6972, 3033965), (8715, 2427172), (9130, 2316846), (10956, 1930705), (11620, 1820379), (12782, 1654890), (13695, 1544564), (17430, 1213586), (18260, 1158423), (19173, 1103260), (25564, 827445), (27390, 772282), (31955, 661956), (34860, 606793), (38346, 551630), (54780, 386141), (55163, 383460), (63910, 330978), (76692, 275815), (95865, 220652), (110326, 191730), (127820, 165489)]