21510260

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{2333}}^1$

素因数の和:2803

約数の個数: 24

約数和(自身を含む): 45288936

約数和(自身を除く): 23778676

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 2333, 4610, 4666, 9220, 9332, 11665, 23330, 46660, 1075513, 2151026, 4302052, 5377565, 10755130, 21510260]

約数ペア:

[(1, 21510260), (2, 10755130), (4, 5377565), (5, 4302052), (10, 2151026), (20, 1075513), (461, 46660), (922, 23330), (1844, 11665), (2305, 9332), (2333, 9220), (4610, 4666)]