21859968

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:210

約数の個数: 128

約数和(自身を含む): 65116800

約数和(自身を除く): 43256832

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 29, 32, 39, 48, 52, 58, 64, 78, 87, 96, 104, 116, 128, 151, 156, 174, 192, 208, 232, 302, 312, 348, 377, 384, 416, 453, 464, 604, 624, 696, 754, 832, 906, 928, 1131, 1208, 1248, 1392, 1508, 1664, 1812, 1856, 1963, 2262, 2416, 2496, 2784, 3016, 3624, 3712, 3926, 4379, 4524, 4832, 4992, 5568, 5889, 6032, 7248, 7852, 8758, 9048, 9664, 11136, 11778, 12064, 13137, 14496, 15704, 17516, 18096, 19328, 23556, 24128, 26274, 28992, 31408, 35032, 36192, 47112, 48256, 52548, 56927, 57984, 62816, 70064, 72384, 94224, 105096, 113854, 125632, 140128, 144768, 170781, 188448, 210192, 227708, 251264, 280256, 341562, 376896, 420384, 455416, 560512, 683124, 753792, 840768, 910832, 1366248, 1681536, 1821664, 2732496, 3643328, 5464992, 7286656, 10929984, 21859968]

約数ペア:

[(1, 21859968), (2, 10929984), (3, 7286656), (4, 5464992), (6, 3643328), (8, 2732496), (12, 1821664), (13, 1681536), (16, 1366248), (24, 910832), (26, 840768), (29, 753792), (32, 683124), (39, 560512), (48, 455416), (52, 420384), (58, 376896), (64, 341562), (78, 280256), (87, 251264), (96, 227708), (104, 210192), (116, 188448), (128, 170781), (151, 144768), (156, 140128), (174, 125632), (192, 113854), (208, 105096), (232, 94224), (302, 72384), (312, 70064), (348, 62816), (377, 57984), (384, 56927), (416, 52548), (453, 48256), (464, 47112), (604, 36192), (624, 35032), (696, 31408), (754, 28992), (832, 26274), (906, 24128), (928, 23556), (1131, 19328), (1208, 18096), (1248, 17516), (1392, 15704), (1508, 14496), (1664, 13137), (1812, 12064), (1856, 11778), (1963, 11136), (2262, 9664), (2416, 9048), (2496, 8758), (2784, 7852), (3016, 7248), (3624, 6032), (3712, 5889), (3926, 5568), (4379, 4992), (4524, 4832)]