21718986

素因数分解:

$2^1\times 3^1\times {\mathrm{541}}^1\times {\mathrm{6691}}^1$

素因数の和:7237

約数の個数: 16

約数和(自身を含む): 43524768

約数和(自身を除く): 21805782

約数列:

[1, 2, 3, 6, 541, 1082, 1623, 3246, 6691, 13382, 20073, 40146, 3619831, 7239662, 10859493, 21718986]

約数ペア:

[(1, 21718986), (2, 10859493), (3, 7239662), (6, 3619831), (541, 40146), (1082, 20073), (1623, 13382), (3246, 6691)]