21650476

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{607}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 39138176

約数和(自身を除く): 17487700

約数列:

[1, 2, 4, 37, 74, 148, 241, 482, 607, 964, 1214, 2428, 8917, 17834, 22459, 35668, 44918, 89836, 146287, 292574, 585148, 5412619, 10825238, 21650476]

約数ペア:

[(1, 21650476), (2, 10825238), (4, 5412619), (37, 585148), (74, 292574), (148, 146287), (241, 89836), (482, 44918), (607, 35668), (964, 22459), (1214, 17834), (2428, 8917)]