21567636

素因数分解:

$2^2\times 3^2\times {\mathrm{137}}^1\times {\mathrm{4373}}^1$

素因数の和:4520

約数の個数: 36

約数和(自身を含む): 54928692

約数和(自身を除く): 33361056

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 137, 274, 411, 548, 822, 1233, 1644, 2466, 4373, 4932, 8746, 13119, 17492, 26238, 39357, 52476, 78714, 157428, 599101, 1198202, 1797303, 2396404, 3594606, 5391909, 7189212, 10783818, 21567636]

約数ペア:

[(1, 21567636), (2, 10783818), (3, 7189212), (4, 5391909), (6, 3594606), (9, 2396404), (12, 1797303), (18, 1198202), (36, 599101), (137, 157428), (274, 78714), (411, 52476), (548, 39357), (822, 26238), (1233, 17492), (1644, 13119), (2466, 8746), (4373, 4932)]