21032139

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{1693}}^1$

素因数の和:1838

約数の個数: 16

約数和(自身を含む): 29028384

約数和(自身を除く): 7996245

約数列:

[1, 3, 41, 101, 123, 303, 1693, 4141, 5079, 12423, 69413, 170993, 208239, 512979, 7010713, 21032139]

約数ペア:

[(1, 21032139), (3, 7010713), (41, 512979), (101, 208239), (123, 170993), (303, 69413), (1693, 12423), (4141, 5079)]