21488558

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:297

約数の個数: 48

約数和(自身を含む): 41023584

約数和(自身を除く): 19535026

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 101, 167, 182, 202, 334, 637, 707, 1169, 1274, 1313, 1414, 2171, 2338, 2626, 4342, 4949, 8183, 9191, 9898, 15197, 16366, 16867, 18382, 30394, 33734, 64337, 106379, 118069, 128674, 212758, 219271, 236138, 438542, 826483, 1534897, 1652966, 3069794, 10744279, 21488558]

約数ペア:

[(1, 21488558), (2, 10744279), (7, 3069794), (13, 1652966), (14, 1534897), (26, 826483), (49, 438542), (91, 236138), (98, 219271), (101, 212758), (167, 128674), (182, 118069), (202, 106379), (334, 64337), (637, 33734), (707, 30394), (1169, 18382), (1274, 16867), (1313, 16366), (1414, 15197), (2171, 9898), (2338, 9191), (2626, 8183), (4342, 4949)]