21862972

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{1423}}^1$

素因数の和:1617

約数の個数: 24

約数和(自身を含む): 40190976

約数和(自身を除く): 18328004

約数列:

[1, 2, 4, 23, 46, 92, 167, 334, 668, 1423, 2846, 3841, 5692, 7682, 15364, 32729, 65458, 130916, 237641, 475282, 950564, 5465743, 10931486, 21862972]

約数ペア:

[(1, 21862972), (2, 10931486), (4, 5465743), (23, 950564), (46, 475282), (92, 237641), (167, 130916), (334, 65458), (668, 32729), (1423, 15364), (2846, 7682), (3841, 5692)]