21890863020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1471}}^1\times {\mathrm{19079}}^1$

素因数の和:20575

約数の個数: 96

約数和(自身を含む): 66057707520

約数和(自身を除く): 44166844500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1471, 2942, 4413, 5884, 7355, 8826, 14710, 17652, 19079, 19123, 22065, 29420, 38158, 38246, 44130, 57237, 57369, 76316, 76492, 88260, 95395, 95615, 114474, 114738, 190790, 191230, 228948, 229476, 248027, 286185, 286845, 381580, 382460, 496054, 572370, 573690, 744081, 992108, 1144740, 1147380, 1240135, 1488162, 2480270, 2976324, 3720405, 4960540, 7440810, 14881620, 28065209, 56130418, 84195627, 112260836, 140326045, 168391254, 280652090, 336782508, 364847717, 420978135, 561304180, 729695434, 841956270, 1094543151, 1459390868, 1683912540, 1824238585, 2189086302, 3648477170, 4378172604, 5472715755, 7296954340, 10945431510, 21890863020]

約数ペア:

[(1, 21890863020), (2, 10945431510), (3, 7296954340), (4, 5472715755), (5, 4378172604), (6, 3648477170), (10, 2189086302), (12, 1824238585), (13, 1683912540), (15, 1459390868), (20, 1094543151), (26, 841956270), (30, 729695434), (39, 561304180), (52, 420978135), (60, 364847717), (65, 336782508), (78, 280652090), (130, 168391254), (156, 140326045), (195, 112260836), (260, 84195627), (390, 56130418), (780, 28065209), (1471, 14881620), (2942, 7440810), (4413, 4960540), (5884, 3720405), (7355, 2976324), (8826, 2480270), (14710, 1488162), (17652, 1240135), (19079, 1147380), (19123, 1144740), (22065, 992108), (29420, 744081), (38158, 573690), (38246, 572370), (44130, 496054), (57237, 382460), (57369, 381580), (76316, 286845), (76492, 286185), (88260, 248027), (95395, 229476), (95615, 228948), (114474, 191230), (114738, 190790)]