21550896

素因数分解:

$2^4\times 3^2\times {\mathrm{103}}^1\times {\mathrm{1453}}^1$

素因数の和:1570

約数の個数: 60

約数和(自身を含む): 60940048

約数和(自身を除く): 39389152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 103, 144, 206, 309, 412, 618, 824, 927, 1236, 1453, 1648, 1854, 2472, 2906, 3708, 4359, 4944, 5812, 7416, 8718, 11624, 13077, 14832, 17436, 23248, 26154, 34872, 52308, 69744, 104616, 149659, 209232, 299318, 448977, 598636, 897954, 1197272, 1346931, 1795908, 2394544, 2693862, 3591816, 5387724, 7183632, 10775448, 21550896]

約数ペア:

[(1, 21550896), (2, 10775448), (3, 7183632), (4, 5387724), (6, 3591816), (8, 2693862), (9, 2394544), (12, 1795908), (16, 1346931), (18, 1197272), (24, 897954), (36, 598636), (48, 448977), (72, 299318), (103, 209232), (144, 149659), (206, 104616), (309, 69744), (412, 52308), (618, 34872), (824, 26154), (927, 23248), (1236, 17436), (1453, 14832), (1648, 13077), (1854, 11624), (2472, 8718), (2906, 7416), (3708, 5812), (4359, 4944)]