21185608

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3767}}^1$

素因数の和:3829

約数の個数: 32

約数和(自身を含む): 42955200

約数和(自身を除く): 21769592

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1406, 2812, 3767, 5624, 7534, 15068, 30136, 71573, 139379, 143146, 278758, 286292, 557516, 572584, 1115032, 2648201, 5296402, 10592804, 21185608]

約数ペア:

[(1, 21185608), (2, 10592804), (4, 5296402), (8, 2648201), (19, 1115032), (37, 572584), (38, 557516), (74, 286292), (76, 278758), (148, 143146), (152, 139379), (296, 71573), (703, 30136), (1406, 15068), (2812, 7534), (3767, 5624)]