21515544

素因数分解:

$2^3\times 3^4\times {\mathrm{33203}}^1$

素因数の和:33221

約数の個数: 40

約数和(自身を含む): 60265260

約数和(自身を除く): 38749716

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 33203, 66406, 99609, 132812, 199218, 265624, 298827, 398436, 597654, 796872, 896481, 1195308, 1792962, 2390616, 2689443, 3585924, 5378886, 7171848, 10757772, 21515544]

約数ペア:

[(1, 21515544), (2, 10757772), (3, 7171848), (4, 5378886), (6, 3585924), (8, 2689443), (9, 2390616), (12, 1792962), (18, 1195308), (24, 896481), (27, 796872), (36, 597654), (54, 398436), (72, 298827), (81, 265624), (108, 199218), (162, 132812), (216, 99609), (324, 66406), (648, 33203)]