21758508

素因数分解:

$2^2\times 3^2\times {\mathrm{313}}^1\times {\mathrm{1931}}^1$

素因数の和:2254

約数の個数: 36

約数和(自身を含む): 55204968

約数和(自身を除く): 33446460

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 313, 626, 939, 1252, 1878, 1931, 2817, 3756, 3862, 5634, 5793, 7724, 11268, 11586, 17379, 23172, 34758, 69516, 604403, 1208806, 1813209, 2417612, 3626418, 5439627, 7252836, 10879254, 21758508]

約数ペア:

[(1, 21758508), (2, 10879254), (3, 7252836), (4, 5439627), (6, 3626418), (9, 2417612), (12, 1813209), (18, 1208806), (36, 604403), (313, 69516), (626, 34758), (939, 23172), (1252, 17379), (1878, 11586), (1931, 11268), (2817, 7724), (3756, 5793), (3862, 5634)]