21280668

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1429}}^1$

素因数の和:1526

約数の個数: 48

約数和(自身を含む): 53333280

約数和(自身を除く): 32052612

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 73, 102, 146, 204, 219, 292, 438, 876, 1241, 1429, 2482, 2858, 3723, 4287, 4964, 5716, 7446, 8574, 14892, 17148, 24293, 48586, 72879, 97172, 104317, 145758, 208634, 291516, 312951, 417268, 625902, 1251804, 1773389, 3546778, 5320167, 7093556, 10640334, 21280668]

約数ペア:

[(1, 21280668), (2, 10640334), (3, 7093556), (4, 5320167), (6, 3546778), (12, 1773389), (17, 1251804), (34, 625902), (51, 417268), (68, 312951), (73, 291516), (102, 208634), (146, 145758), (204, 104317), (219, 97172), (292, 72879), (438, 48586), (876, 24293), (1241, 17148), (1429, 14892), (2482, 8574), (2858, 7446), (3723, 5716), (4287, 4964)]