21670806

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:564

約数の個数: 32

約数和(自身を含む): 44352000

約数和(自身を除く): 22681194

約数列:

[1, 2, 3, 6, 79, 131, 158, 237, 262, 349, 393, 474, 698, 786, 1047, 2094, 10349, 20698, 27571, 31047, 45719, 55142, 62094, 82713, 91438, 137157, 165426, 274314, 3611801, 7223602, 10835403, 21670806]

約数ペア:

[(1, 21670806), (2, 10835403), (3, 7223602), (6, 3611801), (79, 274314), (131, 165426), (158, 137157), (237, 91438), (262, 82713), (349, 62094), (393, 55142), (474, 45719), (698, 31047), (786, 27571), (1047, 20698), (2094, 10349)]