21587488

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{51893}}^1$

素因数の和:51916

約数の個数: 24

約数和(自身を含む): 45770508

約数和(自身を除く): 24183020

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 51893, 103786, 207572, 415144, 674609, 830288, 1349218, 1660576, 2698436, 5396872, 10793744, 21587488]

約数ペア:

[(1, 21587488), (2, 10793744), (4, 5396872), (8, 2698436), (13, 1660576), (16, 1349218), (26, 830288), (32, 674609), (52, 415144), (104, 207572), (208, 103786), (416, 51893)]