21836066

素因数分解:

$2^1\times 7^3\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 38640000

約数和(自身を除く): 16803934

約数列:

[1, 2, 7, 14, 49, 98, 139, 229, 278, 343, 458, 686, 973, 1603, 1946, 3206, 6811, 11221, 13622, 22442, 31831, 47677, 63662, 78547, 95354, 157094, 222817, 445634, 1559719, 3119438, 10918033, 21836066]

約数ペア:

[(1, 21836066), (2, 10918033), (7, 3119438), (14, 1559719), (49, 445634), (98, 222817), (139, 157094), (229, 95354), (278, 78547), (343, 63662), (458, 47677), (686, 31831), (973, 22442), (1603, 13622), (1946, 11221), (3206, 6811)]