21502308

素因数分解:

$2^2\times 3^1\times {\mathrm{163}}^1\times {\mathrm{10993}}^1$

素因数の和:11163

約数の個数: 24

約数和(自身を含む): 50484448

約数和(自身を除く): 28982140

約数列:

[1, 2, 3, 4, 6, 12, 163, 326, 489, 652, 978, 1956, 10993, 21986, 32979, 43972, 65958, 131916, 1791859, 3583718, 5375577, 7167436, 10751154, 21502308]

約数ペア:

[(1, 21502308), (2, 10751154), (3, 7167436), (4, 5375577), (6, 3583718), (12, 1791859), (163, 131916), (326, 65958), (489, 43972), (652, 32979), (978, 21986), (1956, 10993)]