21669016

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1163}}^1$

素因数の和:1323

約数の個数: 32

約数和(自身を含む): 43370640

約数和(自身を除く): 21701624

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 137, 274, 548, 1096, 1163, 2326, 2329, 4652, 4658, 9304, 9316, 18632, 19771, 39542, 79084, 158168, 159331, 318662, 637324, 1274648, 2708627, 5417254, 10834508, 21669016]

約数ペア:

[(1, 21669016), (2, 10834508), (4, 5417254), (8, 2708627), (17, 1274648), (34, 637324), (68, 318662), (136, 159331), (137, 158168), (274, 79084), (548, 39542), (1096, 19771), (1163, 18632), (2326, 9316), (2329, 9304), (4652, 4658)]