21964936

素因数分解:

$2^3\times 7^2\times {\mathrm{137}}^1\times {\mathrm{409}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 48375900

約数和(自身を除く): 26410964

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 137, 196, 274, 392, 409, 548, 818, 959, 1096, 1636, 1918, 2863, 3272, 3836, 5726, 6713, 7672, 11452, 13426, 20041, 22904, 26852, 40082, 53704, 56033, 80164, 112066, 160328, 224132, 392231, 448264, 784462, 1568924, 2745617, 3137848, 5491234, 10982468, 21964936]

約数ペア:

[(1, 21964936), (2, 10982468), (4, 5491234), (7, 3137848), (8, 2745617), (14, 1568924), (28, 784462), (49, 448264), (56, 392231), (98, 224132), (137, 160328), (196, 112066), (274, 80164), (392, 56033), (409, 53704), (548, 40082), (818, 26852), (959, 22904), (1096, 20041), (1636, 13426), (1918, 11452), (2863, 7672), (3272, 6713), (3836, 5726)]