21994938

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{769}}^1$

素因数の和:1011

約数の個数: 48

約数和(自身を含む): 54774720

約数和(自身を除く): 32779782

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 227, 454, 681, 769, 1362, 1538, 1589, 2043, 2307, 3178, 4086, 4614, 4767, 5383, 6921, 9534, 10766, 13842, 14301, 16149, 28602, 32298, 48447, 96894, 174563, 349126, 523689, 1047378, 1221941, 1571067, 2443882, 3142134, 3665823, 7331646, 10997469, 21994938]

約数ペア:

[(1, 21994938), (2, 10997469), (3, 7331646), (6, 3665823), (7, 3142134), (9, 2443882), (14, 1571067), (18, 1221941), (21, 1047378), (42, 523689), (63, 349126), (126, 174563), (227, 96894), (454, 48447), (681, 32298), (769, 28602), (1362, 16149), (1538, 14301), (1589, 13842), (2043, 10766), (2307, 9534), (3178, 6921), (4086, 5383), (4614, 4767)]