21323679

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{1087}}^1$

素因数の和:1606

約数の個数: 16

約数和(自身を含む): 30707712

約数和(自身を除く): 9384033

約数列:

[1, 3, 13, 39, 503, 1087, 1509, 3261, 6539, 14131, 19617, 42393, 546761, 1640283, 7107893, 21323679]

約数ペア:

[(1, 21323679), (3, 7107893), (13, 1640283), (39, 546761), (503, 42393), (1087, 19617), (1509, 14131), (3261, 6539)]