21379364

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{347}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 38215968

約数和(自身を除く): 16836604

約数列:

[1, 2, 4, 73, 146, 211, 292, 347, 422, 694, 844, 1388, 15403, 25331, 30806, 50662, 61612, 73217, 101324, 146434, 292868, 5344841, 10689682, 21379364]

約数ペア:

[(1, 21379364), (2, 10689682), (4, 5344841), (73, 292868), (146, 146434), (211, 101324), (292, 73217), (347, 61612), (422, 50662), (694, 30806), (844, 25331), (1388, 15403)]