21319850

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{18539}}^1$

素因数の和:18574

約数の個数: 24

約数和(自身を含む): 41381280

約数和(自身を除く): 20061430

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 1150, 18539, 37078, 92695, 185390, 426397, 463475, 852794, 926950, 2131985, 4263970, 10659925, 21319850]

約数ペア:

[(1, 21319850), (2, 10659925), (5, 4263970), (10, 2131985), (23, 926950), (25, 852794), (46, 463475), (50, 426397), (115, 185390), (230, 92695), (575, 37078), (1150, 18539)]