21830278

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{719}}^1$

素因数の和:804

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 15494522

約数列:

[1, 2, 17, 19, 34, 38, 47, 94, 323, 646, 719, 799, 893, 1438, 1598, 1786, 12223, 13661, 15181, 24446, 27322, 30362, 33793, 67586, 232237, 464474, 574481, 642067, 1148962, 1284134, 10915139, 21830278]

約数ペア:

[(1, 21830278), (2, 10915139), (17, 1284134), (19, 1148962), (34, 642067), (38, 574481), (47, 464474), (94, 232237), (323, 67586), (646, 33793), (719, 30362), (799, 27322), (893, 24446), (1438, 15181), (1598, 13661), (1786, 12223)]