21442473

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1399}}^1$

素因数の和:1549

約数の個数: 24

約数和(自身を含む): 33633600

約数和(自身を除く): 12191127

約数列:

[1, 3, 9, 13, 39, 117, 131, 393, 1179, 1399, 1703, 4197, 5109, 12591, 15327, 18187, 54561, 163683, 183269, 549807, 1649421, 2382497, 7147491, 21442473]

約数ペア:

[(1, 21442473), (3, 7147491), (9, 2382497), (13, 1649421), (39, 549807), (117, 183269), (131, 163683), (393, 54561), (1179, 18187), (1399, 15327), (1703, 12591), (4197, 5109)]