21899484

素因数分解:

$2^2\times 3^4\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:536

約数の個数: 60

約数和(自身を含む): 57690864

約数和(自身を除く): 35791380

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 257, 263, 324, 514, 526, 771, 789, 1028, 1052, 1542, 1578, 2313, 2367, 3084, 3156, 4626, 4734, 6939, 7101, 9252, 9468, 13878, 14202, 20817, 21303, 27756, 28404, 41634, 42606, 67591, 83268, 85212, 135182, 202773, 270364, 405546, 608319, 811092, 1216638, 1824957, 2433276, 3649914, 5474871, 7299828, 10949742, 21899484]

約数ペア:

[(1, 21899484), (2, 10949742), (3, 7299828), (4, 5474871), (6, 3649914), (9, 2433276), (12, 1824957), (18, 1216638), (27, 811092), (36, 608319), (54, 405546), (81, 270364), (108, 202773), (162, 135182), (257, 85212), (263, 83268), (324, 67591), (514, 42606), (526, 41634), (771, 28404), (789, 27756), (1028, 21303), (1052, 20817), (1542, 14202), (1578, 13878), (2313, 9468), (2367, 9252), (3084, 7101), (3156, 6939), (4626, 4734)]