21167704238

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{829}}^1\times {\mathrm{1733}}^1$

素因数の和:2756

約数の個数: 32

約数和(自身を含む): 32641509600

約数和(自身を除く): 11473805362

約数列:

[1, 2, 53, 106, 139, 278, 829, 1658, 1733, 3466, 7367, 14734, 43937, 87874, 91849, 115231, 183698, 230462, 240887, 481774, 1436657, 2873314, 6107243, 12214486, 12767011, 25534022, 76142821, 152285642, 199695323, 399390646, 10583852119, 21167704238]

約数ペア:

[(1, 21167704238), (2, 10583852119), (53, 399390646), (106, 199695323), (139, 152285642), (278, 76142821), (829, 25534022), (1658, 12767011), (1733, 12214486), (3466, 6107243), (7367, 2873314), (14734, 1436657), (43937, 481774), (87874, 240887), (91849, 230462), (115231, 183698)]