21857595

素因数分解:

$3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{5417}}^1$

素因数の和:5694

約数の個数: 16

約数和(自身を含む): 35108640

約数和(自身を除く): 13251045

約数列:

[1, 3, 5, 15, 269, 807, 1345, 4035, 5417, 16251, 27085, 81255, 1457173, 4371519, 7285865, 21857595]

約数ペア:

[(1, 21857595), (3, 7285865), (5, 4371519), (15, 1457173), (269, 81255), (807, 27085), (1345, 16251), (4035, 5417)]