21283696

素因数分解:

$2^4\times 7^1\times {\mathrm{307}}^1\times {\mathrm{619}}^1$

素因数の和:941

約数の個数: 40

約数和(自身を含む): 47358080

約数和(自身を除く): 26074384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 307, 614, 619, 1228, 1238, 2149, 2456, 2476, 4298, 4333, 4912, 4952, 8596, 8666, 9904, 17192, 17332, 34384, 34664, 69328, 190033, 380066, 760132, 1330231, 1520264, 2660462, 3040528, 5320924, 10641848, 21283696]

約数ペア:

[(1, 21283696), (2, 10641848), (4, 5320924), (7, 3040528), (8, 2660462), (14, 1520264), (16, 1330231), (28, 760132), (56, 380066), (112, 190033), (307, 69328), (614, 34664), (619, 34384), (1228, 17332), (1238, 17192), (2149, 9904), (2456, 8666), (2476, 8596), (4298, 4952), (4333, 4912)]