21266105

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{6827}}^1$

素因数の和:6928

約数の個数: 16

約数和(自身を含む): 29496960

約数和(自身を除く): 8230855

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 6827, 34135, 47789, 238945, 607603, 3038015, 4253221, 21266105]

約数ペア:

[(1, 21266105), (5, 4253221), (7, 3038015), (35, 607603), (89, 238945), (445, 47789), (623, 34135), (3115, 6827)]