21013402

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{4201}}^1$

素因数の和:4305

約数の個数: 16

約数和(自身を含む): 32826024

約数和(自身を除く): 11812622

約数列:

[1, 2, 41, 61, 82, 122, 2501, 4201, 5002, 8402, 172241, 256261, 344482, 512522, 10506701, 21013402]

約数ペア:

[(1, 21013402), (2, 10506701), (41, 512522), (61, 344482), (82, 256261), (122, 172241), (2501, 8402), (4201, 5002)]