21331290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1697}}^1$

素因数の和:2126

約数の個数: 32

約数和(自身を含む): 51347520

約数和(自身を除く): 30016230

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 419, 838, 1257, 1697, 2095, 2514, 3394, 4190, 5091, 6285, 8485, 10182, 12570, 16970, 25455, 50910, 711043, 1422086, 2133129, 3555215, 4266258, 7110430, 10665645, 21331290]

約数ペア:

[(1, 21331290), (2, 10665645), (3, 7110430), (5, 4266258), (6, 3555215), (10, 2133129), (15, 1422086), (30, 711043), (419, 50910), (838, 25455), (1257, 16970), (1697, 12570), (2095, 10182), (2514, 8485), (3394, 6285), (4190, 5091)]