21550464

素因数分解:

$2^7\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1439}}^1$

素因数の和:1472

約数の個数: 96

約数和(自身を含む): 66830400

約数和(自身を除く): 45279936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 192, 208, 234, 288, 312, 384, 416, 468, 576, 624, 832, 936, 1152, 1248, 1439, 1664, 1872, 2496, 2878, 3744, 4317, 4992, 5756, 7488, 8634, 11512, 12951, 14976, 17268, 18707, 23024, 25902, 34536, 37414, 46048, 51804, 56121, 69072, 74828, 92096, 103608, 112242, 138144, 149656, 168363, 184192, 207216, 224484, 276288, 299312, 336726, 414432, 448968, 552576, 598624, 673452, 828864, 897936, 1197248, 1346904, 1657728, 1795872, 2394496, 2693808, 3591744, 5387616, 7183488, 10775232, 21550464]

約数ペア:

[(1, 21550464), (2, 10775232), (3, 7183488), (4, 5387616), (6, 3591744), (8, 2693808), (9, 2394496), (12, 1795872), (13, 1657728), (16, 1346904), (18, 1197248), (24, 897936), (26, 828864), (32, 673452), (36, 598624), (39, 552576), (48, 448968), (52, 414432), (64, 336726), (72, 299312), (78, 276288), (96, 224484), (104, 207216), (117, 184192), (128, 168363), (144, 149656), (156, 138144), (192, 112242), (208, 103608), (234, 92096), (288, 74828), (312, 69072), (384, 56121), (416, 51804), (468, 46048), (576, 37414), (624, 34536), (832, 25902), (936, 23024), (1152, 18707), (1248, 17268), (1439, 14976), (1664, 12951), (1872, 11512), (2496, 8634), (2878, 7488), (3744, 5756), (4317, 4992)]