21206812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25367}}^1$

素因数の和:25401

約数の個数: 24

約数和(自身を含む): 42618240

約数和(自身を除く): 21411428

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 25367, 50734, 101468, 279037, 481973, 558074, 963946, 1116148, 1927892, 5301703, 10603406, 21206812]

約数ペア:

[(1, 21206812), (2, 10603406), (4, 5301703), (11, 1927892), (19, 1116148), (22, 963946), (38, 558074), (44, 481973), (76, 279037), (209, 101468), (418, 50734), (836, 25367)]