21026972

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{1663}}^1$

素因数の和:1805

約数の個数: 24

約数和(自身を含む): 38438400

約数和(自身を除く): 17411428

約数列:

[1, 2, 4, 29, 58, 109, 116, 218, 436, 1663, 3161, 3326, 6322, 6652, 12644, 48227, 96454, 181267, 192908, 362534, 725068, 5256743, 10513486, 21026972]

約数ペア:

[(1, 21026972), (2, 10513486), (4, 5256743), (29, 725068), (58, 362534), (109, 192908), (116, 181267), (218, 96454), (436, 48227), (1663, 12644), (3161, 6652), (3326, 6322)]