21381053

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{367}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 23846400

約数和(自身を除く): 2465347

約数列:

[1, 17, 23, 149, 367, 391, 2533, 3427, 6239, 8441, 54683, 58259, 143497, 929611, 1257709, 21381053]

約数ペア:

[(1, 21381053), (17, 1257709), (23, 929611), (149, 143497), (367, 58259), (391, 54683), (2533, 8441), (3427, 6239)]