21561190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{308017}}^1$

素因数の和:308031

約数の個数: 16

約数和(自身を含む): 44354592

約数和(自身を除く): 22793402

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 308017, 616034, 1540085, 2156119, 3080170, 4312238, 10780595, 21561190]

約数ペア:

[(1, 21561190), (2, 10780595), (5, 4312238), (7, 3080170), (10, 2156119), (14, 1540085), (35, 616034), (70, 308017)]