21655190

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{94153}}^1$

素因数の和:94183

約数の個数: 16

約数和(自身を含む): 40674528

約数和(自身を除く): 19019338

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 94153, 188306, 470765, 941530, 2165519, 4331038, 10827595, 21655190]

約数ペア:

[(1, 21655190), (2, 10827595), (5, 4331038), (10, 2165519), (23, 941530), (46, 470765), (115, 188306), (230, 94153)]