21736880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1453}}^1$

素因数の和:1494

約数の個数: 80

約数和(自身を含む): 58415904

約数和(自身を除く): 36679024

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1453, 1496, 1870, 2906, 2992, 3740, 5812, 7265, 7480, 11624, 14530, 14960, 15983, 23248, 24701, 29060, 31966, 49402, 58120, 63932, 79915, 98804, 116240, 123505, 127864, 159830, 197608, 247010, 255728, 271711, 319660, 395216, 494020, 543422, 639320, 988040, 1086844, 1278640, 1358555, 1976080, 2173688, 2717110, 4347376, 5434220, 10868440, 21736880]

約数ペア:

[(1, 21736880), (2, 10868440), (4, 5434220), (5, 4347376), (8, 2717110), (10, 2173688), (11, 1976080), (16, 1358555), (17, 1278640), (20, 1086844), (22, 988040), (34, 639320), (40, 543422), (44, 494020), (55, 395216), (68, 319660), (80, 271711), (85, 255728), (88, 247010), (110, 197608), (136, 159830), (170, 127864), (176, 123505), (187, 116240), (220, 98804), (272, 79915), (340, 63932), (374, 58120), (440, 49402), (680, 31966), (748, 29060), (880, 24701), (935, 23248), (1360, 15983), (1453, 14960), (1496, 14530), (1870, 11624), (2906, 7480), (2992, 7265), (3740, 5812)]