21769347

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1571}}^1$

素因数の和:1754

約数の個数: 16

約数和(自身を含む): 30182400

約数和(自身を除く): 8413053

約数列:

[1, 3, 31, 93, 149, 447, 1571, 4619, 4713, 13857, 48701, 146103, 234079, 702237, 7256449, 21769347]

約数ペア:

[(1, 21769347), (3, 7256449), (31, 702237), (93, 234079), (149, 146103), (447, 48701), (1571, 13857), (4619, 4713)]