21474410

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1279}}^1$

素因数の和:1382

約数の個数: 32

約数和(自身を含む): 40919040

約数和(自身を除く): 19444630

約数列:

[1, 2, 5, 10, 23, 46, 73, 115, 146, 230, 365, 730, 1279, 1679, 2558, 3358, 6395, 8395, 12790, 16790, 29417, 58834, 93367, 147085, 186734, 294170, 466835, 933670, 2147441, 4294882, 10737205, 21474410]

約数ペア:

[(1, 21474410), (2, 10737205), (5, 4294882), (10, 2147441), (23, 933670), (46, 466835), (73, 294170), (115, 186734), (146, 147085), (230, 93367), (365, 58834), (730, 29417), (1279, 16790), (1679, 12790), (2558, 8395), (3358, 6395)]