21666976

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{39829}}^1$

素因数の和:39856

約数の個数: 24

約数和(自身を含む): 45167220

約数和(自身を除く): 23500244

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 39829, 79658, 159316, 318632, 637264, 677093, 1274528, 1354186, 2708372, 5416744, 10833488, 21666976]

約数ペア:

[(1, 21666976), (2, 10833488), (4, 5416744), (8, 2708372), (16, 1354186), (17, 1274528), (32, 677093), (34, 637264), (68, 318632), (136, 159316), (272, 79658), (544, 39829)]