21559716

素因数分解:

$2^2\times 3^3\times {\mathrm{89}}^1\times {\mathrm{2243}}^1$

素因数の和:2345

約数の個数: 48

約数和(自身を含む): 56548800

約数和(自身を除く): 34989084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 89, 108, 178, 267, 356, 534, 801, 1068, 1602, 2243, 2403, 3204, 4486, 4806, 6729, 8972, 9612, 13458, 20187, 26916, 40374, 60561, 80748, 121122, 199627, 242244, 399254, 598881, 798508, 1197762, 1796643, 2395524, 3593286, 5389929, 7186572, 10779858, 21559716]

約数ペア:

[(1, 21559716), (2, 10779858), (3, 7186572), (4, 5389929), (6, 3593286), (9, 2395524), (12, 1796643), (18, 1197762), (27, 798508), (36, 598881), (54, 399254), (89, 242244), (108, 199627), (178, 121122), (267, 80748), (356, 60561), (534, 40374), (801, 26916), (1068, 20187), (1602, 13458), (2243, 9612), (2403, 8972), (3204, 6729), (4486, 4806)]