21562856

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12421}}^1$

素因数の和:12465

約数の個数: 32

約数和(自身を含む): 47700480

約数和(自身を除く): 26137624

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 12421, 24842, 49684, 86947, 99368, 173894, 347788, 385051, 695576, 770102, 1540204, 2695357, 3080408, 5390714, 10781428, 21562856]

約数ペア:

[(1, 21562856), (2, 10781428), (4, 5390714), (7, 3080408), (8, 2695357), (14, 1540204), (28, 770102), (31, 695576), (56, 385051), (62, 347788), (124, 173894), (217, 99368), (248, 86947), (434, 49684), (868, 24842), (1736, 12421)]