21295812

素因数分解:

$2^2\times 3^1\times {\mathrm{409}}^1\times {\mathrm{4339}}^1$

素因数の和:4755

約数の個数: 24

約数和(自身を含む): 49823200

約数和(自身を除く): 28527388

約数列:

[1, 2, 3, 4, 6, 12, 409, 818, 1227, 1636, 2454, 4339, 4908, 8678, 13017, 17356, 26034, 52068, 1774651, 3549302, 5323953, 7098604, 10647906, 21295812]

約数ペア:

[(1, 21295812), (2, 10647906), (3, 7098604), (4, 5323953), (6, 3549302), (12, 1774651), (409, 52068), (818, 26034), (1227, 17356), (1636, 13017), (2454, 8678), (4339, 4908)]