21776445

素因数分解:

$3^5\times 5^1\times {\mathrm{17923}}^1$

素因数の和:17943

約数の個数: 24

約数和(自身を含む): 39146016

約数和(自身を除く): 17369571

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 17923, 53769, 89615, 161307, 268845, 483921, 806535, 1451763, 2419605, 4355289, 7258815, 21776445]

約数ペア:

[(1, 21776445), (3, 7258815), (5, 4355289), (9, 2419605), (15, 1451763), (27, 806535), (45, 483921), (81, 268845), (135, 161307), (243, 89615), (405, 53769), (1215, 17923)]