21321049212

素因数分解:

$2^2\times 3^2\times {\mathrm{181}}^1\times {\mathrm{751}}^1\times {\mathrm{4357}}^1$

素因数の和:5299

約数の個数: 72

約数和(自身を含む): 54277251392

約数和(自身を除く): 32956202180

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 181, 362, 543, 724, 751, 1086, 1502, 1629, 2172, 2253, 3004, 3258, 4357, 4506, 6516, 6759, 8714, 9012, 13071, 13518, 17428, 26142, 27036, 39213, 52284, 78426, 135931, 156852, 271862, 407793, 543724, 788617, 815586, 1223379, 1577234, 1631172, 2365851, 2446758, 3154468, 3272107, 4731702, 4893516, 6544214, 7097553, 9463404, 9816321, 13088428, 14195106, 19632642, 28390212, 29448963, 39265284, 58897926, 117795852, 592251367, 1184502734, 1776754101, 2369005468, 3553508202, 5330262303, 7107016404, 10660524606, 21321049212]

約数ペア:

[(1, 21321049212), (2, 10660524606), (3, 7107016404), (4, 5330262303), (6, 3553508202), (9, 2369005468), (12, 1776754101), (18, 1184502734), (36, 592251367), (181, 117795852), (362, 58897926), (543, 39265284), (724, 29448963), (751, 28390212), (1086, 19632642), (1502, 14195106), (1629, 13088428), (2172, 9816321), (2253, 9463404), (3004, 7097553), (3258, 6544214), (4357, 4893516), (4506, 4731702), (6516, 3272107), (6759, 3154468), (8714, 2446758), (9012, 2365851), (13071, 1631172), (13518, 1577234), (17428, 1223379), (26142, 815586), (27036, 788617), (39213, 543724), (52284, 407793), (78426, 271862), (135931, 156852)]