21894620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4327}}^1$

素因数の和:4370

約数の個数: 48

約数和(自身を含む): 52351488

約数和(自身を除く): 30456868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 4327, 5060, 8654, 17308, 21635, 43270, 47597, 86540, 95194, 99521, 190388, 199042, 237985, 398084, 475970, 497605, 951940, 995210, 1094731, 1990420, 2189462, 4378924, 5473655, 10947310, 21894620]

約数ペア:

[(1, 21894620), (2, 10947310), (4, 5473655), (5, 4378924), (10, 2189462), (11, 1990420), (20, 1094731), (22, 995210), (23, 951940), (44, 497605), (46, 475970), (55, 398084), (92, 237985), (110, 199042), (115, 190388), (220, 99521), (230, 95194), (253, 86540), (460, 47597), (506, 43270), (1012, 21635), (1265, 17308), (2530, 8654), (4327, 5060)]