21368610

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:110

約数の個数: 160

約数和(自身を含む): 63562752

約数和(自身を除く): 42194142

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 31, 37, 45, 46, 54, 62, 69, 74, 81, 90, 93, 111, 115, 135, 138, 155, 162, 185, 186, 207, 222, 230, 270, 279, 310, 333, 345, 370, 405, 414, 465, 555, 558, 621, 666, 690, 713, 810, 837, 851, 930, 999, 1035, 1110, 1147, 1242, 1395, 1426, 1665, 1674, 1702, 1863, 1998, 2070, 2139, 2294, 2511, 2553, 2790, 2997, 3105, 3330, 3441, 3565, 3726, 4185, 4255, 4278, 4995, 5022, 5106, 5735, 5994, 6210, 6417, 6882, 7130, 7659, 8370, 8510, 9315, 9990, 10323, 10695, 11470, 12555, 12765, 12834, 14985, 15318, 17205, 18630, 19251, 20646, 21390, 22977, 25110, 25530, 26381, 29970, 30969, 32085, 34410, 38295, 38502, 45954, 51615, 52762, 57753, 61938, 64170, 68931, 76590, 79143, 92907, 96255, 103230, 114885, 115506, 131905, 137862, 154845, 158286, 185814, 192510, 229770, 237429, 263810, 288765, 309690, 344655, 395715, 464535, 474858, 577530, 689310, 712287, 791430, 929070, 1187145, 1424574, 2136861, 2374290, 3561435, 4273722, 7122870, 10684305, 21368610]

約数ペア:

[(1, 21368610), (2, 10684305), (3, 7122870), (5, 4273722), (6, 3561435), (9, 2374290), (10, 2136861), (15, 1424574), (18, 1187145), (23, 929070), (27, 791430), (30, 712287), (31, 689310), (37, 577530), (45, 474858), (46, 464535), (54, 395715), (62, 344655), (69, 309690), (74, 288765), (81, 263810), (90, 237429), (93, 229770), (111, 192510), (115, 185814), (135, 158286), (138, 154845), (155, 137862), (162, 131905), (185, 115506), (186, 114885), (207, 103230), (222, 96255), (230, 92907), (270, 79143), (279, 76590), (310, 68931), (333, 64170), (345, 61938), (370, 57753), (405, 52762), (414, 51615), (465, 45954), (555, 38502), (558, 38295), (621, 34410), (666, 32085), (690, 30969), (713, 29970), (810, 26381), (837, 25530), (851, 25110), (930, 22977), (999, 21390), (1035, 20646), (1110, 19251), (1147, 18630), (1242, 17205), (1395, 15318), (1426, 14985), (1665, 12834), (1674, 12765), (1702, 12555), (1863, 11470), (1998, 10695), (2070, 10323), (2139, 9990), (2294, 9315), (2511, 8510), (2553, 8370), (2790, 7659), (2997, 7130), (3105, 6882), (3330, 6417), (3441, 6210), (3565, 5994), (3726, 5735), (4185, 5106), (4255, 5022), (4278, 4995)]