21058478

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3847}}^1$

素因数の和:3896

約数の個数: 32

約数和(自身を含む): 39896064

約数和(自身を除く): 18837586

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 119, 161, 238, 322, 391, 782, 2737, 3847, 5474, 7694, 26929, 53858, 65399, 88481, 130798, 176962, 457793, 619367, 915586, 1238734, 1504177, 3008354, 10529239, 21058478]

約数ペア:

[(1, 21058478), (2, 10529239), (7, 3008354), (14, 1504177), (17, 1238734), (23, 915586), (34, 619367), (46, 457793), (119, 176962), (161, 130798), (238, 88481), (322, 65399), (391, 53858), (782, 26929), (2737, 7694), (3847, 5474)]