21910770

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11593}}^1$

素因数の和:11616

約数の個数: 64

約数和(自身を含む): 66781440

約数和(自身を除く): 44870670

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 11593, 23186, 34779, 57965, 69558, 81151, 104337, 115930, 162302, 173895, 208674, 243453, 313011, 347790, 405755, 486906, 521685, 626022, 730359, 811510, 1043370, 1217265, 1460718, 1565055, 2191077, 2434530, 3130110, 3651795, 4382154, 7303590, 10955385, 21910770]

約数ペア:

[(1, 21910770), (2, 10955385), (3, 7303590), (5, 4382154), (6, 3651795), (7, 3130110), (9, 2434530), (10, 2191077), (14, 1565055), (15, 1460718), (18, 1217265), (21, 1043370), (27, 811510), (30, 730359), (35, 626022), (42, 521685), (45, 486906), (54, 405755), (63, 347790), (70, 313011), (90, 243453), (105, 208674), (126, 173895), (135, 162302), (189, 115930), (210, 104337), (270, 81151), (315, 69558), (378, 57965), (630, 34779), (945, 23186), (1890, 11593)]