21177962512

素因数分解:

$2^4\times 7^1\times {\mathrm{487}}^1\times {\mathrm{388273}}^1$

素因数の和:388775

約数の個数: 40

約数和(自身を含む): 46990472576

約数和(自身を除く): 25812510064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 487, 974, 1948, 3409, 3896, 6818, 7792, 13636, 27272, 54544, 388273, 776546, 1553092, 2717911, 3106184, 5435822, 6212368, 10871644, 21743288, 43486576, 189088951, 378177902, 756355804, 1323622657, 1512711608, 2647245314, 3025423216, 5294490628, 10588981256, 21177962512]

約数ペア:

[(1, 21177962512), (2, 10588981256), (4, 5294490628), (7, 3025423216), (8, 2647245314), (14, 1512711608), (16, 1323622657), (28, 756355804), (56, 378177902), (112, 189088951), (487, 43486576), (974, 21743288), (1948, 10871644), (3409, 6212368), (3896, 5435822), (6818, 3106184), (7792, 2717911), (13636, 1553092), (27272, 776546), (54544, 388273)]