21231770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10459}}^1$

素因数の和:10502

約数の個数: 32

約数和(自身を含む): 45187200

約数和(自身を除く): 23955430

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 10459, 20918, 52295, 73213, 104590, 146426, 303311, 366065, 606622, 732130, 1516555, 2123177, 3033110, 4246354, 10615885, 21231770]

約数ペア:

[(1, 21231770), (2, 10615885), (5, 4246354), (7, 3033110), (10, 2123177), (14, 1516555), (29, 732130), (35, 606622), (58, 366065), (70, 303311), (145, 146426), (203, 104590), (290, 73213), (406, 52295), (1015, 20918), (2030, 10459)]