21229912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{241249}}^1$

素因数の和:241266

約数の個数: 16

約数和(自身を含む): 43425000

約数和(自身を除く): 22195088

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 241249, 482498, 964996, 1929992, 2653739, 5307478, 10614956, 21229912]

約数ペア:

[(1, 21229912), (2, 10614956), (4, 5307478), (8, 2653739), (11, 1929992), (22, 964996), (44, 482498), (88, 241249)]