21031516812

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{677}}^1\times {\mathrm{38639}}^1$

素因数の和:39390

約数の個数: 48

約数和(自身を含む): 49880839680

約数和(自身を除く): 28849322868

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 201, 268, 402, 677, 804, 1354, 2031, 2708, 4062, 8124, 38639, 45359, 77278, 90718, 115917, 136077, 154556, 181436, 231834, 272154, 463668, 544308, 2588813, 5177626, 7766439, 10355252, 15532878, 26158603, 31065756, 52317206, 78475809, 104634412, 156951618, 313903236, 1752626401, 3505252802, 5257879203, 7010505604, 10515758406, 21031516812]

約数ペア:

[(1, 21031516812), (2, 10515758406), (3, 7010505604), (4, 5257879203), (6, 3505252802), (12, 1752626401), (67, 313903236), (134, 156951618), (201, 104634412), (268, 78475809), (402, 52317206), (677, 31065756), (804, 26158603), (1354, 15532878), (2031, 10355252), (2708, 7766439), (4062, 5177626), (8124, 2588813), (38639, 544308), (45359, 463668), (77278, 272154), (90718, 231834), (115917, 181436), (136077, 154556)]