21227619

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{5843}}^1$

素因数の和:6026

約数の個数: 16

約数和(自身を含む): 32539392

約数和(自身を除く): 11311773

約数列:

[1, 3, 7, 21, 173, 519, 1211, 3633, 5843, 17529, 40901, 122703, 1010839, 3032517, 7075873, 21227619]

約数ペア:

[(1, 21227619), (3, 7075873), (7, 3032517), (21, 1010839), (173, 122703), (519, 40901), (1211, 17529), (3633, 5843)]