21589826

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:350

約数の個数: 24

約数和(自身を含む): 34318080

約数和(自身を除く): 12728254

約数列:

[1, 2, 31, 47, 62, 94, 239, 478, 961, 1457, 1922, 2914, 7409, 11233, 14818, 22466, 45167, 90334, 229679, 348223, 459358, 696446, 10794913, 21589826]

約数ペア:

[(1, 21589826), (2, 10794913), (31, 696446), (47, 459358), (62, 348223), (94, 229679), (239, 90334), (478, 45167), (961, 22466), (1457, 14818), (1922, 11233), (2914, 7409)]