21495552

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2153}}^1$

素因数の和:2185

約数の個数: 72

約数和(自身を含む): 61638864

約数和(自身を除く): 40143312

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 624, 768, 832, 1248, 1664, 2153, 2496, 3328, 4306, 4992, 6459, 8612, 9984, 12918, 17224, 25836, 27989, 34448, 51672, 55978, 68896, 83967, 103344, 111956, 137792, 167934, 206688, 223912, 275584, 335868, 413376, 447824, 551168, 671736, 826752, 895648, 1343472, 1653504, 1791296, 2686944, 3582592, 5373888, 7165184, 10747776, 21495552]

約数ペア:

[(1, 21495552), (2, 10747776), (3, 7165184), (4, 5373888), (6, 3582592), (8, 2686944), (12, 1791296), (13, 1653504), (16, 1343472), (24, 895648), (26, 826752), (32, 671736), (39, 551168), (48, 447824), (52, 413376), (64, 335868), (78, 275584), (96, 223912), (104, 206688), (128, 167934), (156, 137792), (192, 111956), (208, 103344), (256, 83967), (312, 68896), (384, 55978), (416, 51672), (624, 34448), (768, 27989), (832, 25836), (1248, 17224), (1664, 12918), (2153, 9984), (2496, 8612), (3328, 6459), (4306, 4992)]