21958156966

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{487}}^1\times {\mathrm{2083}}^1$

素因数の和:2788

約数の個数: 32

約数和(自身を含む): 33682775040

約数和(自身を除く): 11724618074

約数列:

[1, 2, 79, 137, 158, 274, 487, 974, 2083, 4166, 10823, 21646, 38473, 66719, 76946, 133438, 164557, 285371, 329114, 570742, 1014421, 2028842, 5270801, 10541602, 22544309, 45088618, 80139259, 138975677, 160278518, 277951354, 10979078483, 21958156966]

約数ペア:

[(1, 21958156966), (2, 10979078483), (79, 277951354), (137, 160278518), (158, 138975677), (274, 80139259), (487, 45088618), (974, 22544309), (2083, 10541602), (4166, 5270801), (10823, 2028842), (21646, 1014421), (38473, 570742), (66719, 329114), (76946, 285371), (133438, 164557)]