21203743

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{761}}^1$

素因数の和:938

約数の個数: 16

約数和(自身を含む): 24688800

約数和(自身を除く): 3485057

約数列:

[1, 11, 17, 149, 187, 761, 1639, 2533, 8371, 12937, 27863, 113389, 142307, 1247279, 1927613, 21203743]

約数ペア:

[(1, 21203743), (11, 1927613), (17, 1247279), (149, 142307), (187, 113389), (761, 27863), (1639, 12937), (2533, 8371)]