21081552868

素因数分解:

$2^2\times {\mathrm{149}}^1\times {\mathrm{271}}^1\times {\mathrm{130523}}^1$

素因数の和:130947

約数の個数: 24

約数和(自身を含む): 37277654400

約数和(自身を除く): 16196101532

約数列:

[1, 2, 4, 149, 271, 298, 542, 596, 1084, 40379, 80758, 130523, 161516, 261046, 522092, 19447927, 35371733, 38895854, 70743466, 77791708, 141486932, 5270388217, 10540776434, 21081552868]

約数ペア:

[(1, 21081552868), (2, 10540776434), (4, 5270388217), (149, 141486932), (271, 77791708), (298, 70743466), (542, 38895854), (596, 35371733), (1084, 19447927), (40379, 522092), (80758, 261046), (130523, 161516)]