21638464

素因数分解:

$2^6\times {\mathrm{199}}^1\times {\mathrm{1699}}^1$

素因数の和:1910

約数の個数: 28

約数和(自身を含む): 43180000

約数和(自身を除く): 21541536

約数列:

[1, 2, 4, 8, 16, 32, 64, 199, 398, 796, 1592, 1699, 3184, 3398, 6368, 6796, 12736, 13592, 27184, 54368, 108736, 338101, 676202, 1352404, 2704808, 5409616, 10819232, 21638464]

約数ペア:

[(1, 21638464), (2, 10819232), (4, 5409616), (8, 2704808), (16, 1352404), (32, 676202), (64, 338101), (199, 108736), (398, 54368), (796, 27184), (1592, 13592), (1699, 12736), (3184, 6796), (3398, 6368)]