21003552

素因数分解:

$2^5\times 3^2\times {\mathrm{233}}^1\times {\mathrm{313}}^1$

素因数の和:562

約数の個数: 72

約数和(自身を含む): 60176844

約数和(自身を除く): 39173292

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 233, 288, 313, 466, 626, 699, 932, 939, 1252, 1398, 1864, 1878, 2097, 2504, 2796, 2817, 3728, 3756, 4194, 5008, 5592, 5634, 7456, 7512, 8388, 10016, 11184, 11268, 15024, 16776, 22368, 22536, 30048, 33552, 45072, 67104, 72929, 90144, 145858, 218787, 291716, 437574, 583432, 656361, 875148, 1166864, 1312722, 1750296, 2333728, 2625444, 3500592, 5250888, 7001184, 10501776, 21003552]

約数ペア:

[(1, 21003552), (2, 10501776), (3, 7001184), (4, 5250888), (6, 3500592), (8, 2625444), (9, 2333728), (12, 1750296), (16, 1312722), (18, 1166864), (24, 875148), (32, 656361), (36, 583432), (48, 437574), (72, 291716), (96, 218787), (144, 145858), (233, 90144), (288, 72929), (313, 67104), (466, 45072), (626, 33552), (699, 30048), (932, 22536), (939, 22368), (1252, 16776), (1398, 15024), (1864, 11268), (1878, 11184), (2097, 10016), (2504, 8388), (2796, 7512), (2817, 7456), (3728, 5634), (3756, 5592), (4194, 5008)]