21691070

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{94309}}^1$

素因数の和:94339

約数の個数: 16

約数和(自身を含む): 40741920

約数和(自身を除く): 19050850

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 94309, 188618, 471545, 943090, 2169107, 4338214, 10845535, 21691070]

約数ペア:

[(1, 21691070), (2, 10845535), (5, 4338214), (10, 2169107), (23, 943090), (46, 471545), (115, 188618), (230, 94309)]