21465262

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1999}}^1$

素因数の和:2080

約数の個数: 32

約数和(自身を含む): 40320000

約数和(自身を除く): 18854738

約数列:

[1, 2, 7, 13, 14, 26, 59, 91, 118, 182, 413, 767, 826, 1534, 1999, 3998, 5369, 10738, 13993, 25987, 27986, 51974, 117941, 181909, 235882, 363818, 825587, 1533233, 1651174, 3066466, 10732631, 21465262]

約数ペア:

[(1, 21465262), (2, 10732631), (7, 3066466), (13, 1651174), (14, 1533233), (26, 825587), (59, 363818), (91, 235882), (118, 181909), (182, 117941), (413, 51974), (767, 27986), (826, 25987), (1534, 13993), (1999, 10738), (3998, 5369)]