21000377082

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{338203}}^1$

素因数の和:338418

約数の個数: 32

約数和(自身を含む): 42857210880

約数和(自身を除く): 21856833798

約数列:

[1, 2, 3, 6, 79, 131, 158, 237, 262, 393, 474, 786, 10349, 20698, 31047, 62094, 338203, 676406, 1014609, 2029218, 26718037, 44304593, 53436074, 80154111, 88609186, 132913779, 160308222, 265827558, 3500062847, 7000125694, 10500188541, 21000377082]

約数ペア:

[(1, 21000377082), (2, 10500188541), (3, 7000125694), (6, 3500062847), (79, 265827558), (131, 160308222), (158, 132913779), (237, 88609186), (262, 80154111), (393, 53436074), (474, 44304593), (786, 26718037), (10349, 2029218), (20698, 1014609), (31047, 676406), (62094, 338203)]