21100226

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{51971}}^1$

素因数の和:52009

約数の個数: 16

約数和(自身を含む): 37419840

約数和(自身を除く): 16319614

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 51971, 103942, 363797, 727594, 1507159, 3014318, 10550113, 21100226]

約数ペア:

[(1, 21100226), (2, 10550113), (7, 3014318), (14, 1507159), (29, 727594), (58, 363797), (203, 103942), (406, 51971)]