21457344

素因数分解:

$2^6\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:194

約数の個数: 112

約数和(自身を含む): 61155072

約数和(自身を除く): 39697728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 43, 46, 48, 64, 69, 86, 92, 96, 113, 129, 138, 172, 184, 192, 226, 258, 276, 339, 344, 368, 452, 516, 552, 678, 688, 736, 904, 989, 1032, 1104, 1356, 1376, 1472, 1808, 1978, 2064, 2208, 2599, 2712, 2752, 2967, 3616, 3956, 4128, 4416, 4859, 5198, 5424, 5934, 7232, 7797, 7912, 8256, 9718, 10396, 10848, 11868, 14577, 15594, 15824, 19436, 20792, 21696, 23736, 29154, 31188, 31648, 38872, 41584, 47472, 58308, 62376, 63296, 77744, 83168, 94944, 111757, 116616, 124752, 155488, 166336, 189888, 223514, 233232, 249504, 310976, 335271, 447028, 466464, 499008, 670542, 894056, 932928, 1341084, 1788112, 2682168, 3576224, 5364336, 7152448, 10728672, 21457344]

約数ペア:

[(1, 21457344), (2, 10728672), (3, 7152448), (4, 5364336), (6, 3576224), (8, 2682168), (12, 1788112), (16, 1341084), (23, 932928), (24, 894056), (32, 670542), (43, 499008), (46, 466464), (48, 447028), (64, 335271), (69, 310976), (86, 249504), (92, 233232), (96, 223514), (113, 189888), (129, 166336), (138, 155488), (172, 124752), (184, 116616), (192, 111757), (226, 94944), (258, 83168), (276, 77744), (339, 63296), (344, 62376), (368, 58308), (452, 47472), (516, 41584), (552, 38872), (678, 31648), (688, 31188), (736, 29154), (904, 23736), (989, 21696), (1032, 20792), (1104, 19436), (1356, 15824), (1376, 15594), (1472, 14577), (1808, 11868), (1978, 10848), (2064, 10396), (2208, 9718), (2599, 8256), (2712, 7912), (2752, 7797), (2967, 7232), (3616, 5934), (3956, 5424), (4128, 5198), (4416, 4859)]