21491814

素因数分解:

$2^1\times 3^1\times {\mathrm{179}}^1\times {\mathrm{20011}}^1$

素因数の和:20195

約数の個数: 16

約数和(自身を含む): 43225920

約数和(自身を除く): 21734106

約数列:

[1, 2, 3, 6, 179, 358, 537, 1074, 20011, 40022, 60033, 120066, 3581969, 7163938, 10745907, 21491814]

約数ペア:

[(1, 21491814), (2, 10745907), (3, 7163938), (6, 3581969), (179, 120066), (358, 60033), (537, 40022), (1074, 20011)]