21726117

素因数分解:

$3^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{827}}^1$

素因数の和:982

約数の個数: 32

約数和(自身を含む): 37094400

約数和(自身を除く): 15368283

約数列:

[1, 3, 7, 9, 21, 27, 63, 139, 189, 417, 827, 973, 1251, 2481, 2919, 3753, 5789, 7443, 8757, 17367, 22329, 26271, 52101, 114953, 156303, 344859, 804671, 1034577, 2414013, 3103731, 7242039, 21726117]

約数ペア:

[(1, 21726117), (3, 7242039), (7, 3103731), (9, 2414013), (21, 1034577), (27, 804671), (63, 344859), (139, 156303), (189, 114953), (417, 52101), (827, 26271), (973, 22329), (1251, 17367), (2481, 8757), (2919, 7443), (3753, 5789)]