21000688302

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{18717191}}^1$

素因数の和:18717224

約数の個数: 32

約数和(自身を含む): 48514961664

約数和(自身を除く): 27514273362

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 102, 187, 374, 561, 1122, 18717191, 37434382, 56151573, 112303146, 205889101, 318192247, 411778202, 617667303, 636384494, 954576741, 1235334606, 1909153482, 3500114717, 7000229434, 10500344151, 21000688302]

約数ペア:

[(1, 21000688302), (2, 10500344151), (3, 7000229434), (6, 3500114717), (11, 1909153482), (17, 1235334606), (22, 954576741), (33, 636384494), (34, 617667303), (51, 411778202), (66, 318192247), (102, 205889101), (187, 112303146), (374, 56151573), (561, 37434382), (1122, 18717191)]