2021521607

素因数分解:

$7^3\times {\mathrm{197}}^1\times {\mathrm{29917}}^1$

素因数の和:30135

約数の個数: 16

約数和(自身を含む): 2369505600

約数和(自身を除く): 347983993

約数列:

[1, 7, 49, 197, 343, 1379, 9653, 29917, 67571, 209419, 1465933, 5893649, 10261531, 41255543, 288788801, 2021521607]

約数ペア:

[(1, 2021521607), (7, 288788801), (49, 41255543), (197, 10261531), (343, 5893649), (1379, 1465933), (9653, 209419), (29917, 67571)]