21638144

素因数分解:

$2^{10}\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:161

約数の個数: 88

約数和(自身を含む): 50405328

約数和(自身を除く): 28767184

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 113, 128, 136, 176, 187, 226, 256, 272, 352, 374, 452, 512, 544, 704, 748, 904, 1024, 1088, 1243, 1408, 1496, 1808, 1921, 2176, 2486, 2816, 2992, 3616, 3842, 4352, 4972, 5632, 5984, 7232, 7684, 8704, 9944, 11264, 11968, 14464, 15368, 17408, 19888, 21131, 23936, 28928, 30736, 39776, 42262, 47872, 57856, 61472, 79552, 84524, 95744, 115712, 122944, 159104, 169048, 191488, 245888, 318208, 338096, 491776, 636416, 676192, 983552, 1272832, 1352384, 1967104, 2704768, 5409536, 10819072, 21638144]

約数ペア:

[(1, 21638144), (2, 10819072), (4, 5409536), (8, 2704768), (11, 1967104), (16, 1352384), (17, 1272832), (22, 983552), (32, 676192), (34, 636416), (44, 491776), (64, 338096), (68, 318208), (88, 245888), (113, 191488), (128, 169048), (136, 159104), (176, 122944), (187, 115712), (226, 95744), (256, 84524), (272, 79552), (352, 61472), (374, 57856), (452, 47872), (512, 42262), (544, 39776), (704, 30736), (748, 28928), (904, 23936), (1024, 21131), (1088, 19888), (1243, 17408), (1408, 15368), (1496, 14464), (1808, 11968), (1921, 11264), (2176, 9944), (2486, 8704), (2816, 7684), (2992, 7232), (3616, 5984), (3842, 5632), (4352, 4972)]