21147610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{192251}}^1$

素因数の和:192269

約数の個数: 16

約数和(自身を含む): 41526432

約数和(自身を除く): 20378822

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 192251, 384502, 961255, 1922510, 2114761, 4229522, 10573805, 21147610]

約数ペア:

[(1, 21147610), (2, 10573805), (5, 4229522), (10, 2114761), (11, 1922510), (22, 961255), (55, 384502), (110, 192251)]