21369270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:529

約数の個数: 64

約数和(自身を含む): 55742400

約数和(自身を除く): 34373130

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 157, 195, 314, 349, 390, 471, 698, 785, 942, 1047, 1570, 1745, 2041, 2094, 2355, 3490, 4082, 4537, 4710, 5235, 6123, 9074, 10205, 10470, 12246, 13611, 20410, 22685, 27222, 30615, 45370, 54793, 61230, 68055, 109586, 136110, 164379, 273965, 328758, 547930, 712309, 821895, 1424618, 1643790, 2136927, 3561545, 4273854, 7123090, 10684635, 21369270]

約数ペア:

[(1, 21369270), (2, 10684635), (3, 7123090), (5, 4273854), (6, 3561545), (10, 2136927), (13, 1643790), (15, 1424618), (26, 821895), (30, 712309), (39, 547930), (65, 328758), (78, 273965), (130, 164379), (157, 136110), (195, 109586), (314, 68055), (349, 61230), (390, 54793), (471, 45370), (698, 30615), (785, 27222), (942, 22685), (1047, 20410), (1570, 13611), (1745, 12246), (2041, 10470), (2094, 10205), (2355, 9074), (3490, 6123), (4082, 5235), (4537, 4710)]