21531146

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6959}}^1$

素因数の和:6998

約数の個数: 32

約数和(自身を含む): 42094080

約数和(自身を除く): 20562934

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 238, 442, 1547, 3094, 6959, 13918, 48713, 90467, 97426, 118303, 180934, 236606, 633269, 828121, 1266538, 1537939, 1656242, 3075878, 10765573, 21531146]

約数ペア:

[(1, 21531146), (2, 10765573), (7, 3075878), (13, 1656242), (14, 1537939), (17, 1266538), (26, 828121), (34, 633269), (91, 236606), (119, 180934), (182, 118303), (221, 97426), (238, 90467), (442, 48713), (1547, 13918), (3094, 6959)]