21521232

素因数分解:

$2^4\times 3^2\times {\mathrm{103}}^1\times {\mathrm{1451}}^1$

素因数の和:1568

約数の個数: 60

約数和(自身を含む): 60856224

約数和(自身を除く): 39334992

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, 1451, 1648, 1854, 2472, 2902, 3708, 4353, 4944, 5804, 7416, 8706, 11608, 13059, 14832, 17412, 23216, 26118, 34824, 52236, 69648, 104472, 149453, 208944, 298906, 448359, 597812, 896718, 1195624, 1345077, 1793436, 2391248, 2690154, 3586872, 5380308, 7173744, 10760616, 21521232]

約数ペア:

[(1, 21521232), (2, 10760616), (3, 7173744), (4, 5380308), (6, 3586872), (8, 2690154), (9, 2391248), (12, 1793436), (16, 1345077), (18, 1195624), (24, 896718), (36, 597812), (48, 448359), (72, 298906), (103, 208944), (144, 149453), (206, 104472), (309, 69648), (412, 52236), (618, 34824), (824, 26118), (927, 23216), (1236, 17412), (1451, 14832), (1648, 13059), (1854, 11608), (2472, 8706), (2902, 7416), (3708, 5804), (4353, 4944)]