21706314

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 55256256

約数和(自身を除く): 33549942

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 43, 49, 51, 86, 98, 101, 102, 119, 129, 147, 202, 238, 258, 294, 301, 303, 357, 602, 606, 707, 714, 731, 833, 903, 1414, 1462, 1666, 1717, 1806, 2107, 2121, 2193, 2499, 3434, 4214, 4242, 4343, 4386, 4949, 4998, 5117, 5151, 6321, 8686, 9898, 10234, 10302, 12019, 12642, 13029, 14847, 15351, 24038, 26058, 29694, 30401, 30702, 35819, 36057, 60802, 71638, 72114, 73831, 84133, 91203, 107457, 147662, 168266, 182406, 212807, 214914, 221493, 252399, 425614, 442986, 504798, 516817, 638421, 1033634, 1276842, 1550451, 3100902, 3617719, 7235438, 10853157, 21706314]

約数ペア:

[(1, 21706314), (2, 10853157), (3, 7235438), (6, 3617719), (7, 3100902), (14, 1550451), (17, 1276842), (21, 1033634), (34, 638421), (42, 516817), (43, 504798), (49, 442986), (51, 425614), (86, 252399), (98, 221493), (101, 214914), (102, 212807), (119, 182406), (129, 168266), (147, 147662), (202, 107457), (238, 91203), (258, 84133), (294, 73831), (301, 72114), (303, 71638), (357, 60802), (602, 36057), (606, 35819), (707, 30702), (714, 30401), (731, 29694), (833, 26058), (903, 24038), (1414, 15351), (1462, 14847), (1666, 13029), (1717, 12642), (1806, 12019), (2107, 10302), (2121, 10234), (2193, 9898), (2499, 8686), (3434, 6321), (4214, 5151), (4242, 5117), (4343, 4998), (4386, 4949)]