21079904

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{16067}}^1$

素因数の和:16118

約数の個数: 24

約数和(自身を含む): 42515928

約数和(自身を除く): 21436024

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 16067, 32134, 64268, 128536, 257072, 514144, 658747, 1317494, 2634988, 5269976, 10539952, 21079904]

約数ペア:

[(1, 21079904), (2, 10539952), (4, 5269976), (8, 2634988), (16, 1317494), (32, 658747), (41, 514144), (82, 257072), (164, 128536), (328, 64268), (656, 32134), (1312, 16067)]