21783638

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{4813}}^1$

素因数の和:4919

約数の個数: 16

約数和(自身を含む): 34198656

約数和(自身を除く): 12415018

約数列:

[1, 2, 31, 62, 73, 146, 2263, 4526, 4813, 9626, 149203, 298406, 351349, 702698, 10891819, 21783638]

約数ペア:

[(1, 21783638), (2, 10891819), (31, 702698), (62, 351349), (73, 298406), (146, 149203), (2263, 9626), (4526, 4813)]