21811168

素因数分解:

$2^5\times {\mathrm{421}}^1\times {\mathrm{1619}}^1$

素因数の和:2050

約数の個数: 24

約数和(自身を含む): 43069320

約数和(自身を除く): 21258152

約数列:

[1, 2, 4, 8, 16, 32, 421, 842, 1619, 1684, 3238, 3368, 6476, 6736, 12952, 13472, 25904, 51808, 681599, 1363198, 2726396, 5452792, 10905584, 21811168]

約数ペア:

[(1, 21811168), (2, 10905584), (4, 5452792), (8, 2726396), (16, 1363198), (32, 681599), (421, 51808), (842, 25904), (1619, 13472), (1684, 12952), (3238, 6736), (3368, 6476)]