21704422

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:460

約数の個数: 32

約数和(自身を含む): 36115200

約数和(自身を除く): 14410778

約数列:

[1, 2, 19, 37, 38, 43, 74, 86, 359, 703, 718, 817, 1406, 1591, 1634, 3182, 6821, 13283, 13642, 15437, 26566, 30229, 30874, 60458, 252377, 293303, 504754, 571169, 586606, 1142338, 10852211, 21704422]

約数ペア:

[(1, 21704422), (2, 10852211), (19, 1142338), (37, 586606), (38, 571169), (43, 504754), (74, 293303), (86, 252377), (359, 60458), (703, 30874), (718, 30229), (817, 26566), (1406, 15437), (1591, 13642), (1634, 13283), (3182, 6821)]