21951436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3037}}^1$

素因数の和:3193

約数の個数: 24

約数和(自身を含む): 41681360

約数和(自身を除く): 19729924

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 3037, 3614, 6074, 7228, 12148, 39481, 78962, 157924, 422143, 844286, 1688572, 5487859, 10975718, 21951436]

約数ペア:

[(1, 21951436), (2, 10975718), (4, 5487859), (13, 1688572), (26, 844286), (52, 422143), (139, 157924), (278, 78962), (556, 39481), (1807, 12148), (3037, 7228), (3614, 6074)]