21759806

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{601}}^1$

素因数の和:1067

約数の個数: 16

約数和(自身を含む): 33533808

約数和(自身を除く): 11774002

約数列:

[1, 2, 43, 86, 421, 601, 842, 1202, 18103, 25843, 36206, 51686, 253021, 506042, 10879903, 21759806]

約数ペア:

[(1, 21759806), (2, 10879903), (43, 506042), (86, 253021), (421, 51686), (601, 36206), (842, 25843), (1202, 18103)]