21310488

素因数分解:

$2^3\times 3^2\times {\mathrm{41}}^1\times {\mathrm{7219}}^1$

素因数の和:7272

約数の個数: 48

約数和(自身を含む): 59131800

約数和(自身を除く): 37821312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 41, 72, 82, 123, 164, 246, 328, 369, 492, 738, 984, 1476, 2952, 7219, 14438, 21657, 28876, 43314, 57752, 64971, 86628, 129942, 173256, 259884, 295979, 519768, 591958, 887937, 1183916, 1775874, 2367832, 2663811, 3551748, 5327622, 7103496, 10655244, 21310488]

約数ペア:

[(1, 21310488), (2, 10655244), (3, 7103496), (4, 5327622), (6, 3551748), (8, 2663811), (9, 2367832), (12, 1775874), (18, 1183916), (24, 887937), (36, 591958), (41, 519768), (72, 295979), (82, 259884), (123, 173256), (164, 129942), (246, 86628), (328, 64971), (369, 57752), (492, 43314), (738, 28876), (984, 21657), (1476, 14438), (2952, 7219)]