21154995

素因数分解:

$3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1483}}^1$

素因数の和:1811

約数の個数: 24

約数和(自身を含む): 36809136

約数和(自身を除く): 15654141

約数列:

[1, 3, 5, 9, 15, 45, 317, 951, 1483, 1585, 2853, 4449, 4755, 7415, 13347, 14265, 22245, 66735, 470111, 1410333, 2350555, 4230999, 7051665, 21154995]

約数ペア:

[(1, 21154995), (3, 7051665), (5, 4230999), (9, 2350555), (15, 1410333), (45, 470111), (317, 66735), (951, 22245), (1483, 14265), (1585, 13347), (2853, 7415), (4449, 4755)]