21577045

素因数分解:

$5^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{977}}^1$

素因数の和:1620

約数の個数: 16

約数和(自身を含む): 29668608

約数和(自身を除く): 8091563

約数列:

[1, 5, 7, 35, 631, 977, 3155, 4417, 4885, 6839, 22085, 34195, 616487, 3082435, 4315409, 21577045]

約数ペア:

[(1, 21577045), (5, 4315409), (7, 3082435), (35, 616487), (631, 34195), (977, 22085), (3155, 6839), (4417, 4885)]