21520764

素因数分解:

$2^2\times 3^2\times {\mathrm{263}}^1\times {\mathrm{2273}}^1$

素因数の和:2546

約数の個数: 36

約数和(自身を含む): 54630576

約数和(自身を除く): 33109812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 263, 526, 789, 1052, 1578, 2273, 2367, 3156, 4546, 4734, 6819, 9092, 9468, 13638, 20457, 27276, 40914, 81828, 597799, 1195598, 1793397, 2391196, 3586794, 5380191, 7173588, 10760382, 21520764]

約数ペア:

[(1, 21520764), (2, 10760382), (3, 7173588), (4, 5380191), (6, 3586794), (9, 2391196), (12, 1793397), (18, 1195598), (36, 597799), (263, 81828), (526, 40914), (789, 27276), (1052, 20457), (1578, 13638), (2273, 9468), (2367, 9092), (3156, 6819), (4546, 4734)]