21707572

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{4373}}^1$

素因数の和:4467

約数の個数: 24

約数和(自身を含む): 40783176

約数和(自身を除く): 19075604

約数列:

[1, 2, 4, 17, 34, 68, 73, 146, 292, 1241, 2482, 4373, 4964, 8746, 17492, 74341, 148682, 297364, 319229, 638458, 1276916, 5426893, 10853786, 21707572]

約数ペア:

[(1, 21707572), (2, 10853786), (4, 5426893), (17, 1276916), (34, 638458), (68, 319229), (73, 297364), (146, 148682), (292, 74341), (1241, 17492), (2482, 8746), (4373, 4964)]