210913878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{70729}}^1$

素因数の和:70812

約数の個数: 32

約数和(自身を含む): 488885760

約数和(自身を除く): 277971882

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 70729, 141458, 212187, 424374, 495103, 990206, 1485309, 2970618, 5021759, 10043518, 15065277, 30130554, 35152313, 70304626, 105456939, 210913878]

約数ペア:

[(1, 210913878), (2, 105456939), (3, 70304626), (6, 35152313), (7, 30130554), (14, 15065277), (21, 10043518), (42, 5021759), (71, 2970618), (142, 1485309), (213, 990206), (426, 495103), (497, 424374), (994, 212187), (1491, 141458), (2982, 70729)]