21241704

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4733}}^1$

素因数の和:4770

約数の個数: 64

約数和(自身を含む): 61352640

約数和(自身を除く): 40110936

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 66, 68, 88, 102, 132, 136, 187, 204, 264, 374, 408, 561, 748, 1122, 1496, 2244, 4488, 4733, 9466, 14199, 18932, 28398, 37864, 52063, 56796, 80461, 104126, 113592, 156189, 160922, 208252, 241383, 312378, 321844, 416504, 482766, 624756, 643688, 885071, 965532, 1249512, 1770142, 1931064, 2655213, 3540284, 5310426, 7080568, 10620852, 21241704]

約数ペア:

[(1, 21241704), (2, 10620852), (3, 7080568), (4, 5310426), (6, 3540284), (8, 2655213), (11, 1931064), (12, 1770142), (17, 1249512), (22, 965532), (24, 885071), (33, 643688), (34, 624756), (44, 482766), (51, 416504), (66, 321844), (68, 312378), (88, 241383), (102, 208252), (132, 160922), (136, 156189), (187, 113592), (204, 104126), (264, 80461), (374, 56796), (408, 52063), (561, 37864), (748, 28398), (1122, 18932), (1496, 14199), (2244, 9466), (4488, 4733)]