21845948

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{4297}}^1$

素因数の和:4373

約数の個数: 24

約数和(自身を含む): 40435584

約数和(自身を除く): 18589636

約数列:

[1, 2, 4, 31, 41, 62, 82, 124, 164, 1271, 2542, 4297, 5084, 8594, 17188, 133207, 176177, 266414, 352354, 532828, 704708, 5461487, 10922974, 21845948]

約数ペア:

[(1, 21845948), (2, 10922974), (4, 5461487), (31, 704708), (41, 532828), (62, 352354), (82, 266414), (124, 176177), (164, 133207), (1271, 17188), (2542, 8594), (4297, 5084)]