21899984

素因数分解:

$2^4\times {\mathrm{313}}^1\times {\mathrm{4373}}^1$

素因数の和:4694

約数の個数: 20

約数和(自身を含む): 42576516

約数和(自身を除く): 20676532

約数列:

[1, 2, 4, 8, 16, 313, 626, 1252, 2504, 4373, 5008, 8746, 17492, 34984, 69968, 1368749, 2737498, 5474996, 10949992, 21899984]

約数ペア:

[(1, 21899984), (2, 10949992), (4, 5474996), (8, 2737498), (16, 1368749), (313, 69968), (626, 34984), (1252, 17492), (2504, 8746), (4373, 5008)]