21989220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{33317}}^1$

素因数の和:33340

約数の個数: 48

約数和(自身を含む): 67169088

約数和(自身を除く): 45179868

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 33317, 66634, 99951, 133268, 166585, 199902, 333170, 366487, 399804, 499755, 666340, 732974, 999510, 1099461, 1465948, 1832435, 1999020, 2198922, 3664870, 4397844, 5497305, 7329740, 10994610, 21989220]

約数ペア:

[(1, 21989220), (2, 10994610), (3, 7329740), (4, 5497305), (5, 4397844), (6, 3664870), (10, 2198922), (11, 1999020), (12, 1832435), (15, 1465948), (20, 1099461), (22, 999510), (30, 732974), (33, 666340), (44, 499755), (55, 399804), (60, 366487), (66, 333170), (110, 199902), (132, 166585), (165, 133268), (220, 99951), (330, 66634), (660, 33317)]