21000314889

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{1747}}^1\times {\mathrm{70297}}^1$

素因数の和:72069

約数の個数: 24

約数和(自身を含む): 31949035040

約数和(自身を除く): 10948720151

約数列:

[1, 3, 9, 19, 57, 171, 1747, 5241, 15723, 33193, 70297, 99579, 210891, 298737, 632673, 1335643, 4006929, 12020787, 122808859, 368426577, 1105279731, 2333368321, 7000104963, 21000314889]

約数ペア:

[(1, 21000314889), (3, 7000104963), (9, 2333368321), (19, 1105279731), (57, 368426577), (171, 122808859), (1747, 12020787), (5241, 4006929), (15723, 1335643), (33193, 632673), (70297, 298737), (99579, 210891)]