21760472

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{599}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 43200000

約数和(自身を除く): 21439528

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 239, 478, 599, 956, 1198, 1912, 2396, 4541, 4792, 9082, 11381, 18164, 22762, 36328, 45524, 91048, 143161, 286322, 572644, 1145288, 2720059, 5440118, 10880236, 21760472]

約数ペア:

[(1, 21760472), (2, 10880236), (4, 5440118), (8, 2720059), (19, 1145288), (38, 572644), (76, 286322), (152, 143161), (239, 91048), (478, 45524), (599, 36328), (956, 22762), (1198, 18164), (1912, 11381), (2396, 9082), (4541, 4792)]