21544740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17099}}^1$

素因数の和:17121

約数の個数: 72

約数和(自身を含む): 74692800

約数和(自身を除く): 53148060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 17099, 34198, 51297, 68396, 85495, 102594, 119693, 153891, 170990, 205188, 239386, 256485, 307782, 341980, 359079, 478772, 512970, 598465, 615564, 718158, 769455, 1025940, 1077237, 1196930, 1436316, 1538910, 1795395, 2154474, 2393860, 3077820, 3590790, 4308948, 5386185, 7181580, 10772370, 21544740]

約数ペア:

[(1, 21544740), (2, 10772370), (3, 7181580), (4, 5386185), (5, 4308948), (6, 3590790), (7, 3077820), (9, 2393860), (10, 2154474), (12, 1795395), (14, 1538910), (15, 1436316), (18, 1196930), (20, 1077237), (21, 1025940), (28, 769455), (30, 718158), (35, 615564), (36, 598465), (42, 512970), (45, 478772), (60, 359079), (63, 341980), (70, 307782), (84, 256485), (90, 239386), (105, 205188), (126, 170990), (140, 153891), (180, 119693), (210, 102594), (252, 85495), (315, 68396), (420, 51297), (630, 34198), (1260, 17099)]