21826540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{2063}}^1$

素因数の和:2118

約数の個数: 36

約数和(自身を含む): 47938464

約数和(自身を除く): 26111924

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 529, 1058, 2063, 2116, 2645, 4126, 5290, 8252, 10315, 10580, 20630, 41260, 47449, 94898, 189796, 237245, 474490, 948980, 1091327, 2182654, 4365308, 5456635, 10913270, 21826540]

約数ペア:

[(1, 21826540), (2, 10913270), (4, 5456635), (5, 4365308), (10, 2182654), (20, 1091327), (23, 948980), (46, 474490), (92, 237245), (115, 189796), (230, 94898), (460, 47449), (529, 41260), (1058, 20630), (2063, 10580), (2116, 10315), (2645, 8252), (4126, 5290)]