21385888

素因数分解:

$2^5\times {\mathrm{191}}^1\times {\mathrm{3499}}^1$

素因数の和:3700

約数の個数: 24

約数和(自身を含む): 42336000

約数和(自身を除く): 20950112

約数列:

[1, 2, 4, 8, 16, 32, 191, 382, 764, 1528, 3056, 3499, 6112, 6998, 13996, 27992, 55984, 111968, 668309, 1336618, 2673236, 5346472, 10692944, 21385888]

約数ペア:

[(1, 21385888), (2, 10692944), (4, 5346472), (8, 2673236), (16, 1336618), (32, 668309), (191, 111968), (382, 55984), (764, 27992), (1528, 13996), (3056, 6998), (3499, 6112)]