21369819

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{4889}}^1$

素因数の和:4970

約数の個数: 16

約数和(自身を含む): 30044160

約数和(自身を除く): 8674341

約数列:

[1, 3, 31, 47, 93, 141, 1457, 4371, 4889, 14667, 151559, 229783, 454677, 689349, 7123273, 21369819]

約数ペア:

[(1, 21369819), (3, 7123273), (31, 689349), (47, 454677), (93, 229783), (141, 151559), (1457, 14667), (4371, 4889)]