21883904

素因数分解:

$2^{10}\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 88

約数和(自身を含む): 51879168

約数和(自身を除く): 29995264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 71, 86, 112, 128, 142, 172, 224, 256, 284, 301, 344, 448, 497, 512, 568, 602, 688, 896, 994, 1024, 1136, 1204, 1376, 1792, 1988, 2272, 2408, 2752, 3053, 3584, 3976, 4544, 4816, 5504, 6106, 7168, 7952, 9088, 9632, 11008, 12212, 15904, 18176, 19264, 21371, 22016, 24424, 31808, 36352, 38528, 42742, 44032, 48848, 63616, 72704, 77056, 85484, 97696, 127232, 154112, 170968, 195392, 254464, 308224, 341936, 390784, 508928, 683872, 781568, 1367744, 1563136, 2735488, 3126272, 5470976, 10941952, 21883904]

約数ペア:

[(1, 21883904), (2, 10941952), (4, 5470976), (7, 3126272), (8, 2735488), (14, 1563136), (16, 1367744), (28, 781568), (32, 683872), (43, 508928), (56, 390784), (64, 341936), (71, 308224), (86, 254464), (112, 195392), (128, 170968), (142, 154112), (172, 127232), (224, 97696), (256, 85484), (284, 77056), (301, 72704), (344, 63616), (448, 48848), (497, 44032), (512, 42742), (568, 38528), (602, 36352), (688, 31808), (896, 24424), (994, 22016), (1024, 21371), (1136, 19264), (1204, 18176), (1376, 15904), (1792, 12212), (1988, 11008), (2272, 9632), (2408, 9088), (2752, 7952), (3053, 7168), (3584, 6106), (3976, 5504), (4544, 4816)]