21460278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{5059}}^1$

素因数の和:5172

約数の個数: 32

約数和(自身を含む): 49547520

約数和(自身を除く): 28087242

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 101, 202, 303, 606, 707, 1414, 2121, 4242, 5059, 10118, 15177, 30354, 35413, 70826, 106239, 212478, 510959, 1021918, 1532877, 3065754, 3576713, 7153426, 10730139, 21460278]

約数ペア:

[(1, 21460278), (2, 10730139), (3, 7153426), (6, 3576713), (7, 3065754), (14, 1532877), (21, 1021918), (42, 510959), (101, 212478), (202, 106239), (303, 70826), (606, 35413), (707, 30354), (1414, 15177), (2121, 10118), (4242, 5059)]