21196923

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{1277}}^1$

素因数の和:1794

約数の個数: 16

約数和(自身を含む): 30917376

約数和(自身を除く): 9720453

約数列:

[1, 3, 11, 33, 503, 1277, 1509, 3831, 5533, 14047, 16599, 42141, 642331, 1926993, 7065641, 21196923]

約数ペア:

[(1, 21196923), (3, 7065641), (11, 1926993), (33, 642331), (503, 42141), (1277, 16599), (1509, 14047), (3831, 5533)]