21851953

素因数分解:

${\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 2098127

約数列:

[1, 17, 53, 79, 307, 901, 1343, 4187, 5219, 16271, 24253, 71179, 276607, 412301, 1285409, 21851953]

約数ペア:

[(1, 21851953), (17, 1285409), (53, 412301), (79, 276607), (307, 71179), (901, 24253), (1343, 16271), (4187, 5219)]