21166836

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 56770560

約数和(自身を除く): 35603724

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 43, 51, 57, 68, 76, 86, 102, 114, 127, 129, 172, 204, 228, 254, 258, 323, 381, 508, 516, 646, 731, 762, 817, 969, 1292, 1462, 1524, 1634, 1938, 2159, 2193, 2413, 2451, 2924, 3268, 3876, 4318, 4386, 4826, 4902, 5461, 6477, 7239, 8636, 8772, 9652, 9804, 10922, 12954, 13889, 14478, 16383, 21844, 25908, 27778, 28956, 32766, 41021, 41667, 55556, 65532, 82042, 83334, 92837, 103759, 123063, 164084, 166668, 185674, 207518, 246126, 278511, 311277, 371348, 415036, 492252, 557022, 622554, 1114044, 1245108, 1763903, 3527806, 5291709, 7055612, 10583418, 21166836]

約数ペア:

[(1, 21166836), (2, 10583418), (3, 7055612), (4, 5291709), (6, 3527806), (12, 1763903), (17, 1245108), (19, 1114044), (34, 622554), (38, 557022), (43, 492252), (51, 415036), (57, 371348), (68, 311277), (76, 278511), (86, 246126), (102, 207518), (114, 185674), (127, 166668), (129, 164084), (172, 123063), (204, 103759), (228, 92837), (254, 83334), (258, 82042), (323, 65532), (381, 55556), (508, 41667), (516, 41021), (646, 32766), (731, 28956), (762, 27778), (817, 25908), (969, 21844), (1292, 16383), (1462, 14478), (1524, 13889), (1634, 12954), (1938, 10922), (2159, 9804), (2193, 9652), (2413, 8772), (2451, 8636), (2924, 7239), (3268, 6477), (3876, 5461), (4318, 4902), (4386, 4826)]