21544179568

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{13881559}}^1$

素因数の和:13881664

約数の個数: 20

約数和(自身を含む): 42172179280

約数和(自身を除く): 20627999712

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 13881559, 27763118, 55526236, 111052472, 222104944, 1346511223, 2693022446, 5386044892, 10772089784, 21544179568]

約数ペア:

[(1, 21544179568), (2, 10772089784), (4, 5386044892), (8, 2693022446), (16, 1346511223), (97, 222104944), (194, 111052472), (388, 55526236), (776, 27763118), (1552, 13881559)]