21000201698

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{25423973}}^1$

素因数の和:25424041

約数の個数: 16

約数和(自身を含む): 36610522560

約数和(自身を除く): 15610320862

約数列:

[1, 2, 7, 14, 59, 118, 413, 826, 25423973, 50847946, 177967811, 355935622, 1500014407, 3000028814, 10500100849, 21000201698]

約数ペア:

[(1, 21000201698), (2, 10500100849), (7, 3000028814), (14, 1500014407), (59, 355935622), (118, 177967811), (413, 50847946), (826, 25423973)]