21715209012

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{15206729}}^1$

素因数の和:15206760

約数の個数: 48

約数和(自身を含む): 61313535360

約数和(自身を除く): 39598326348

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 15206729, 30413458, 45620187, 60826916, 91240374, 106447103, 182480748, 212894206, 258514393, 319341309, 425788412, 517028786, 638682618, 775543179, 1034057572, 1277365236, 1551086358, 1809600751, 3102172716, 3619201502, 5428802253, 7238403004, 10857604506, 21715209012]

約数ペア:

[(1, 21715209012), (2, 10857604506), (3, 7238403004), (4, 5428802253), (6, 3619201502), (7, 3102172716), (12, 1809600751), (14, 1551086358), (17, 1277365236), (21, 1034057572), (28, 775543179), (34, 638682618), (42, 517028786), (51, 425788412), (68, 319341309), (84, 258514393), (102, 212894206), (119, 182480748), (204, 106447103), (238, 91240374), (357, 60826916), (476, 45620187), (714, 30413458), (1428, 15206729)]