21815856

素因数分解:

$2^4\times 3^2\times {\mathrm{151499}}^1$

素因数の和:151513

約数の個数: 30

約数和(自身を含む): 61054500

約数和(自身を除く): 39238644

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 151499, 302998, 454497, 605996, 908994, 1211992, 1363491, 1817988, 2423984, 2726982, 3635976, 5453964, 7271952, 10907928, 21815856]

約数ペア:

[(1, 21815856), (2, 10907928), (3, 7271952), (4, 5453964), (6, 3635976), (8, 2726982), (9, 2423984), (12, 1817988), (16, 1363491), (18, 1211992), (24, 908994), (36, 605996), (48, 454497), (72, 302998), (144, 151499)]