21286336

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{10729}}^1$

素因数の和:10772

約数の個数: 28

約数和(自身を含む): 43606720

約数和(自身を除く): 22320384

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 10729, 21458, 42916, 85832, 171664, 332599, 343328, 665198, 686656, 1330396, 2660792, 5321584, 10643168, 21286336]

約数ペア:

[(1, 21286336), (2, 10643168), (4, 5321584), (8, 2660792), (16, 1330396), (31, 686656), (32, 665198), (62, 343328), (64, 332599), (124, 171664), (248, 85832), (496, 42916), (992, 21458), (1984, 10729)]