21470728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3359}}^1$

素因数の和:3429

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 22074872

約数列:

[1, 2, 4, 8, 17, 34, 47, 68, 94, 136, 188, 376, 799, 1598, 3196, 3359, 6392, 6718, 13436, 26872, 57103, 114206, 157873, 228412, 315746, 456824, 631492, 1262984, 2683841, 5367682, 10735364, 21470728]

約数ペア:

[(1, 21470728), (2, 10735364), (4, 5367682), (8, 2683841), (17, 1262984), (34, 631492), (47, 456824), (68, 315746), (94, 228412), (136, 157873), (188, 114206), (376, 57103), (799, 26872), (1598, 13436), (3196, 6718), (3359, 6392)]