21413285

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{13259}}^1$

素因数の和:13300

約数の個数: 16

約数和(自身を含む): 28641600

約数和(自身を除く): 7228315

約数列:

[1, 5, 17, 19, 85, 95, 323, 1615, 13259, 66295, 225403, 251921, 1127015, 1259605, 4282657, 21413285]

約数ペア:

[(1, 21413285), (5, 4282657), (17, 1259605), (19, 1127015), (85, 251921), (95, 225403), (323, 66295), (1615, 13259)]