21984242

素因数分解:

$2^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 39072000

約数和(自身を除く): 17087758

約数列:

[1, 2, 7, 14, 49, 73, 98, 146, 343, 439, 511, 686, 878, 1022, 3073, 3577, 6146, 7154, 21511, 25039, 32047, 43022, 50078, 64094, 150577, 224329, 301154, 448658, 1570303, 3140606, 10992121, 21984242]

約数ペア:

[(1, 21984242), (2, 10992121), (7, 3140606), (14, 1570303), (49, 448658), (73, 301154), (98, 224329), (146, 150577), (343, 64094), (439, 50078), (511, 43022), (686, 32047), (878, 25039), (1022, 21511), (3073, 7154), (3577, 6146)]