21393548702990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2281}}^1\times {\mathrm{3041}}^1\times {\mathrm{9949}}^1$

素因数の和:15309

約数の個数: 64

約数和(自身を含む): 39785096332800

約数和(自身を除く): 18391547629810

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 2281, 3041, 4562, 6082, 9949, 11405, 15205, 19898, 22810, 30410, 49745, 70711, 94271, 99490, 141422, 188542, 308419, 353555, 471355, 616838, 707110, 942710, 1542095, 3084190, 6936521, 13873042, 22693669, 30254909, 34682605, 45387338, 60509818, 69365210, 113468345, 151274545, 215032151, 226936690, 302549090, 430064302, 703503739, 937902179, 1075160755, 1407007478, 1875804358, 2150321510, 3517518695, 4689510895, 7035037390, 9379021790, 69011447429, 138022894858, 345057237145, 690114474290, 2139354870299, 4278709740598, 10696774351495, 21393548702990]

約数ペア:

[(1, 21393548702990), (2, 10696774351495), (5, 4278709740598), (10, 2139354870299), (31, 690114474290), (62, 345057237145), (155, 138022894858), (310, 69011447429), (2281, 9379021790), (3041, 7035037390), (4562, 4689510895), (6082, 3517518695), (9949, 2150321510), (11405, 1875804358), (15205, 1407007478), (19898, 1075160755), (22810, 937902179), (30410, 703503739), (49745, 430064302), (70711, 302549090), (94271, 226936690), (99490, 215032151), (141422, 151274545), (188542, 113468345), (308419, 69365210), (353555, 60509818), (471355, 45387338), (616838, 34682605), (707110, 30254909), (942710, 22693669), (1542095, 13873042), (3084190, 6936521)]