21947220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{419}}^1$

素因数の和:534

約数の個数: 96

約数和(自身を含む): 69148800

約数和(自身を除く): 47201580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 97, 108, 135, 180, 194, 270, 291, 388, 419, 485, 540, 582, 838, 873, 970, 1164, 1257, 1455, 1676, 1746, 1940, 2095, 2514, 2619, 2910, 3492, 3771, 4190, 4365, 5028, 5238, 5820, 6285, 7542, 8380, 8730, 10476, 11313, 12570, 13095, 15084, 17460, 18855, 22626, 25140, 26190, 37710, 40643, 45252, 52380, 56565, 75420, 81286, 113130, 121929, 162572, 203215, 226260, 243858, 365787, 406430, 487716, 609645, 731574, 812860, 1097361, 1219290, 1463148, 1828935, 2194722, 2438580, 3657870, 4389444, 5486805, 7315740, 10973610, 21947220]

約数ペア:

[(1, 21947220), (2, 10973610), (3, 7315740), (4, 5486805), (5, 4389444), (6, 3657870), (9, 2438580), (10, 2194722), (12, 1828935), (15, 1463148), (18, 1219290), (20, 1097361), (27, 812860), (30, 731574), (36, 609645), (45, 487716), (54, 406430), (60, 365787), (90, 243858), (97, 226260), (108, 203215), (135, 162572), (180, 121929), (194, 113130), (270, 81286), (291, 75420), (388, 56565), (419, 52380), (485, 45252), (540, 40643), (582, 37710), (838, 26190), (873, 25140), (970, 22626), (1164, 18855), (1257, 17460), (1455, 15084), (1676, 13095), (1746, 12570), (1940, 11313), (2095, 10476), (2514, 8730), (2619, 8380), (2910, 7542), (3492, 6285), (3771, 5820), (4190, 5238), (4365, 5028)]