21203876

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{557}}^1$

素因数の和:899

約数の個数: 24

約数和(自身を含む): 38497536

約数和(自身を除く): 17293660

約数列:

[1, 2, 4, 31, 62, 124, 307, 557, 614, 1114, 1228, 2228, 9517, 17267, 19034, 34534, 38068, 69068, 170999, 341998, 683996, 5300969, 10601938, 21203876]

約数ペア:

[(1, 21203876), (2, 10601938), (4, 5300969), (31, 683996), (62, 341998), (124, 170999), (307, 69068), (557, 38068), (614, 34534), (1114, 19034), (1228, 17267), (2228, 9517)]