21684806

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{75821}}^1$

素因数の和:75847

約数の個数: 16

約数和(自身を含む): 38214288

約数和(自身を除く): 16529482

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 75821, 151642, 834031, 985673, 1668062, 1971346, 10842403, 21684806]

約数ペア:

[(1, 21684806), (2, 10842403), (11, 1971346), (13, 1668062), (22, 985673), (26, 834031), (143, 151642), (286, 75821)]