21685472

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{39863}}^1$

素因数の和:39890

約数の個数: 24

約数和(自身を含む): 45205776

約数和(自身を除く): 23520304

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 39863, 79726, 159452, 318904, 637808, 677671, 1275616, 1355342, 2710684, 5421368, 10842736, 21685472]

約数ペア:

[(1, 21685472), (2, 10842736), (4, 5421368), (8, 2710684), (16, 1355342), (17, 1275616), (32, 677671), (34, 637808), (68, 318904), (136, 159452), (272, 79726), (544, 39863)]