21583664

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{13907}}^1$

素因数の和:14012

約数の個数: 20

約数和(自身を含む): 42252504

約数和(自身を除く): 20668840

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 13907, 27814, 55628, 111256, 222512, 1348979, 2697958, 5395916, 10791832, 21583664]

約数ペア:

[(1, 21583664), (2, 10791832), (4, 5395916), (8, 2697958), (16, 1348979), (97, 222512), (194, 111256), (388, 55628), (776, 27814), (1552, 13907)]