21737552

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{2767}}^1$

素因数の和:3266

約数の個数: 20

約数和(自身を含む): 42217536

約数和(自身を除く): 20479984

約数列:

[1, 2, 4, 8, 16, 491, 982, 1964, 2767, 3928, 5534, 7856, 11068, 22136, 44272, 1358597, 2717194, 5434388, 10868776, 21737552]

約数ペア:

[(1, 21737552), (2, 10868776), (4, 5434388), (8, 2717194), (16, 1358597), (491, 44272), (982, 22136), (1964, 11068), (2767, 7856), (3928, 5534)]