21811854

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{77347}}^1$

素因数の和:77399

約数の個数: 16

約数和(自身を含む): 44552448

約数和(自身を除く): 22740594

約数列:

[1, 2, 3, 6, 47, 94, 141, 282, 77347, 154694, 232041, 464082, 3635309, 7270618, 10905927, 21811854]

約数ペア:

[(1, 21811854), (2, 10905927), (3, 7270618), (6, 3635309), (47, 464082), (94, 232041), (141, 154694), (282, 77347)]