21913560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2099}}^1$

素因数の和:2145

約数の個数: 96

約数和(自身を含む): 73710000

約数和(自身を除く): 51796440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 45, 58, 60, 72, 87, 90, 116, 120, 145, 174, 180, 232, 261, 290, 348, 360, 435, 522, 580, 696, 870, 1044, 1160, 1305, 1740, 2088, 2099, 2610, 3480, 4198, 5220, 6297, 8396, 10440, 10495, 12594, 16792, 18891, 20990, 25188, 31485, 37782, 41980, 50376, 60871, 62970, 75564, 83960, 94455, 121742, 125940, 151128, 182613, 188910, 243484, 251880, 304355, 365226, 377820, 486968, 547839, 608710, 730452, 755640, 913065, 1095678, 1217420, 1460904, 1826130, 2191356, 2434840, 2739195, 3652260, 4382712, 5478390, 7304520, 10956780, 21913560]

約数ペア:

[(1, 21913560), (2, 10956780), (3, 7304520), (4, 5478390), (5, 4382712), (6, 3652260), (8, 2739195), (9, 2434840), (10, 2191356), (12, 1826130), (15, 1460904), (18, 1217420), (20, 1095678), (24, 913065), (29, 755640), (30, 730452), (36, 608710), (40, 547839), (45, 486968), (58, 377820), (60, 365226), (72, 304355), (87, 251880), (90, 243484), (116, 188910), (120, 182613), (145, 151128), (174, 125940), (180, 121742), (232, 94455), (261, 83960), (290, 75564), (348, 62970), (360, 60871), (435, 50376), (522, 41980), (580, 37782), (696, 31485), (870, 25188), (1044, 20990), (1160, 18891), (1305, 16792), (1740, 12594), (2088, 10495), (2099, 10440), (2610, 8396), (3480, 6297), (4198, 5220)]