21207968

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{21379}}^1$

素因数の和:21420

約数の個数: 24

約数和(自身を含む): 43102080

約数和(自身を除く): 21894112

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 21379, 42758, 85516, 171032, 342064, 662749, 684128, 1325498, 2650996, 5301992, 10603984, 21207968]

約数ペア:

[(1, 21207968), (2, 10603984), (4, 5301992), (8, 2650996), (16, 1325498), (31, 684128), (32, 662749), (62, 342064), (124, 171032), (248, 85516), (496, 42758), (992, 21379)]