21636916

素因数分解:

$2^2\times 7^1\times {\mathrm{463}}^1\times {\mathrm{1669}}^1$

素因数の和:2143

約数の個数: 24

約数和(自身を含む): 43393280

約数和(自身を除く): 21756364

約数列:

[1, 2, 4, 7, 14, 28, 463, 926, 1669, 1852, 3241, 3338, 6482, 6676, 11683, 12964, 23366, 46732, 772747, 1545494, 3090988, 5409229, 10818458, 21636916]

約数ペア:

[(1, 21636916), (2, 10818458), (4, 5409229), (7, 3090988), (14, 1545494), (28, 772747), (463, 46732), (926, 23366), (1669, 12964), (1852, 11683), (3241, 6676), (3338, 6482)]