21549168

素因数分解:

$2^4\times 3^2\times {\mathrm{263}}^1\times {\mathrm{569}}^1$

素因数の和:846

約数の個数: 60

約数和(自身を含む): 60643440

約数和(自身を除く): 39094272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 263, 526, 569, 789, 1052, 1138, 1578, 1707, 2104, 2276, 2367, 3156, 3414, 4208, 4552, 4734, 5121, 6312, 6828, 9104, 9468, 10242, 12624, 13656, 18936, 20484, 27312, 37872, 40968, 81936, 149647, 299294, 448941, 598588, 897882, 1197176, 1346823, 1795764, 2394352, 2693646, 3591528, 5387292, 7183056, 10774584, 21549168]

約数ペア:

[(1, 21549168), (2, 10774584), (3, 7183056), (4, 5387292), (6, 3591528), (8, 2693646), (9, 2394352), (12, 1795764), (16, 1346823), (18, 1197176), (24, 897882), (36, 598588), (48, 448941), (72, 299294), (144, 149647), (263, 81936), (526, 40968), (569, 37872), (789, 27312), (1052, 20484), (1138, 18936), (1578, 13656), (1707, 12624), (2104, 10242), (2276, 9468), (2367, 9104), (3156, 6828), (3414, 6312), (4208, 5121), (4552, 4734)]