21738206

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{613}}^1$

素因数の和:788

約数の個数: 32

約数和(自身を含む): 39787200

約数和(自身を除く): 18048994

約数列:

[1, 2, 7, 14, 17, 34, 119, 149, 238, 298, 613, 1043, 1226, 2086, 2533, 4291, 5066, 8582, 10421, 17731, 20842, 35462, 72947, 91337, 145894, 182674, 639359, 1278718, 1552729, 3105458, 10869103, 21738206]

約数ペア:

[(1, 21738206), (2, 10869103), (7, 3105458), (14, 1552729), (17, 1278718), (34, 639359), (119, 182674), (149, 145894), (238, 91337), (298, 72947), (613, 35462), (1043, 20842), (1226, 17731), (2086, 10421), (2533, 8582), (4291, 5066)]