21710884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{1163}}^1$

素因数の和:1539

約数の個数: 24

約数和(自身を含む): 41065920

約数和(自身を除く): 19355036

約数列:

[1, 2, 4, 13, 26, 52, 359, 718, 1163, 1436, 2326, 4652, 4667, 9334, 15119, 18668, 30238, 60476, 417517, 835034, 1670068, 5427721, 10855442, 21710884]

約数ペア:

[(1, 21710884), (2, 10855442), (4, 5427721), (13, 1670068), (26, 835034), (52, 417517), (359, 60476), (718, 30238), (1163, 18668), (1436, 15119), (2326, 9334), (4652, 4667)]