21890462

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{3541}}^1$

素因数の和:3835

約数の個数: 16

約数和(自身を含む): 35958384

約数和(自身を除く): 14067922

約数列:

[1, 2, 11, 22, 281, 562, 3091, 3541, 6182, 7082, 38951, 77902, 995021, 1990042, 10945231, 21890462]

約数ペア:

[(1, 21890462), (2, 10945231), (11, 1990042), (22, 995021), (281, 77902), (562, 38951), (3091, 7082), (3541, 6182)]