21000307090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13043669}}^1$

素因数の和:13043706

約数の個数: 32

約数和(自身を含む): 45078923520

約数和(自身を除く): 24078616430

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 13043669, 26087338, 65218345, 91305683, 130436690, 182611366, 300004387, 456528415, 600008774, 913056830, 1500021935, 2100030709, 3000043870, 4200061418, 10500153545, 21000307090]

約数ペア:

[(1, 21000307090), (2, 10500153545), (5, 4200061418), (7, 3000043870), (10, 2100030709), (14, 1500021935), (23, 913056830), (35, 600008774), (46, 456528415), (70, 300004387), (115, 182611366), (161, 130436690), (230, 91305683), (322, 65218345), (805, 26087338), (1610, 13043669)]