21223264

素因数分解:

$2^5\times {\mathrm{509}}^1\times {\mathrm{1303}}^1$

素因数の和:1822

約数の個数: 24

約数和(自身を含む): 41897520

約数和(自身を除く): 20674256

約数列:

[1, 2, 4, 8, 16, 32, 509, 1018, 1303, 2036, 2606, 4072, 5212, 8144, 10424, 16288, 20848, 41696, 663227, 1326454, 2652908, 5305816, 10611632, 21223264]

約数ペア:

[(1, 21223264), (2, 10611632), (4, 5305816), (8, 2652908), (16, 1326454), (32, 663227), (509, 41696), (1018, 20848), (1303, 16288), (2036, 10424), (2606, 8144), (4072, 5212)]