21863517

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{1277}}^1$

素因数の和:1732

約数の個数: 16

約数和(自身を含む): 31489920

約数和(自身を除く): 9626403

約数列:

[1, 3, 13, 39, 439, 1277, 1317, 3831, 5707, 16601, 17121, 49803, 560603, 1681809, 7287839, 21863517]

約数ペア:

[(1, 21863517), (3, 7287839), (13, 1681809), (39, 560603), (439, 49803), (1277, 17121), (1317, 16601), (3831, 5707)]