21129444

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1471}}^1$

素因数の和:1510

約数の個数: 96

約数和(自身を含む): 65945600

約数和(自身を除く): 44816156

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 84, 108, 114, 126, 133, 171, 189, 228, 252, 266, 342, 378, 399, 513, 532, 684, 756, 798, 1026, 1197, 1471, 1596, 2052, 2394, 2942, 3591, 4413, 4788, 5884, 7182, 8826, 10297, 13239, 14364, 17652, 20594, 26478, 27949, 30891, 39717, 41188, 52956, 55898, 61782, 79434, 83847, 92673, 111796, 123564, 158868, 167694, 185346, 195643, 251541, 278019, 335388, 370692, 391286, 503082, 556038, 586929, 754623, 782572, 1006164, 1112076, 1173858, 1509246, 1760787, 2347716, 3018492, 3521574, 5282361, 7043148, 10564722, 21129444]

約数ペア:

[(1, 21129444), (2, 10564722), (3, 7043148), (4, 5282361), (6, 3521574), (7, 3018492), (9, 2347716), (12, 1760787), (14, 1509246), (18, 1173858), (19, 1112076), (21, 1006164), (27, 782572), (28, 754623), (36, 586929), (38, 556038), (42, 503082), (54, 391286), (57, 370692), (63, 335388), (76, 278019), (84, 251541), (108, 195643), (114, 185346), (126, 167694), (133, 158868), (171, 123564), (189, 111796), (228, 92673), (252, 83847), (266, 79434), (342, 61782), (378, 55898), (399, 52956), (513, 41188), (532, 39717), (684, 30891), (756, 27949), (798, 26478), (1026, 20594), (1197, 17652), (1471, 14364), (1596, 13239), (2052, 10297), (2394, 8826), (2942, 7182), (3591, 5884), (4413, 4788)]