21509045

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{607}}^1$

素因数の和:1004

約数の個数: 16

約数和(自身を含む): 27287040

約数和(自身を除く): 5777995

約数列:

[1, 5, 19, 95, 373, 607, 1865, 3035, 7087, 11533, 35435, 57665, 226411, 1132055, 4301809, 21509045]

約数ペア:

[(1, 21509045), (5, 4301809), (19, 1132055), (95, 226411), (373, 57665), (607, 35435), (1865, 11533), (3035, 7087)]