21753630

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:183

約数の個数: 128

約数和(自身を含む): 63037440

約数和(自身を除く): 41283810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 31, 45, 46, 54, 62, 69, 90, 93, 113, 115, 135, 138, 155, 186, 207, 226, 230, 270, 279, 310, 339, 345, 414, 465, 558, 565, 621, 678, 690, 713, 837, 930, 1017, 1035, 1130, 1242, 1395, 1426, 1674, 1695, 2034, 2070, 2139, 2599, 2790, 3051, 3105, 3390, 3503, 3565, 4185, 4278, 5085, 5198, 6102, 6210, 6417, 7006, 7130, 7797, 8370, 10170, 10509, 10695, 12834, 12995, 15255, 15594, 17515, 19251, 21018, 21390, 23391, 25990, 30510, 31527, 32085, 35030, 38502, 38985, 46782, 52545, 63054, 64170, 70173, 77970, 80569, 94581, 96255, 105090, 116955, 140346, 157635, 161138, 189162, 192510, 233910, 241707, 315270, 350865, 402845, 472905, 483414, 701730, 725121, 805690, 945810, 1208535, 1450242, 2175363, 2417070, 3625605, 4350726, 7251210, 10876815, 21753630]

約数ペア:

[(1, 21753630), (2, 10876815), (3, 7251210), (5, 4350726), (6, 3625605), (9, 2417070), (10, 2175363), (15, 1450242), (18, 1208535), (23, 945810), (27, 805690), (30, 725121), (31, 701730), (45, 483414), (46, 472905), (54, 402845), (62, 350865), (69, 315270), (90, 241707), (93, 233910), (113, 192510), (115, 189162), (135, 161138), (138, 157635), (155, 140346), (186, 116955), (207, 105090), (226, 96255), (230, 94581), (270, 80569), (279, 77970), (310, 70173), (339, 64170), (345, 63054), (414, 52545), (465, 46782), (558, 38985), (565, 38502), (621, 35030), (678, 32085), (690, 31527), (713, 30510), (837, 25990), (930, 23391), (1017, 21390), (1035, 21018), (1130, 19251), (1242, 17515), (1395, 15594), (1426, 15255), (1674, 12995), (1695, 12834), (2034, 10695), (2070, 10509), (2139, 10170), (2599, 8370), (2790, 7797), (3051, 7130), (3105, 7006), (3390, 6417), (3503, 6210), (3565, 6102), (4185, 5198), (4278, 5085)]