21384928

素因数分解:

$2^5\times {\mathrm{109}}^1\times {\mathrm{6131}}^1$

素因数の和:6250

約数の個数: 24

約数和(自身を含む): 42494760

約数和(自身を除く): 21109832

約数列:

[1, 2, 4, 8, 16, 32, 109, 218, 436, 872, 1744, 3488, 6131, 12262, 24524, 49048, 98096, 196192, 668279, 1336558, 2673116, 5346232, 10692464, 21384928]

約数ペア:

[(1, 21384928), (2, 10692464), (4, 5346232), (8, 2673116), (16, 1336558), (32, 668279), (109, 196192), (218, 98096), (436, 49048), (872, 24524), (1744, 12262), (3488, 6131)]