21965138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{1597}}^1$

素因数の和:1658

約数の個数: 24

約数和(自身を含む): 37115148

約数和(自身を除く): 15150010

約数列:

[1, 2, 13, 23, 26, 46, 299, 529, 598, 1058, 1597, 3194, 6877, 13754, 20761, 36731, 41522, 73462, 477503, 844813, 955006, 1689626, 10982569, 21965138]

約数ペア:

[(1, 21965138), (2, 10982569), (13, 1689626), (23, 955006), (26, 844813), (46, 477503), (299, 73462), (529, 41522), (598, 36731), (1058, 20761), (1597, 13754), (3194, 6877)]