21436221

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{4349}}^1$

素因数の和:4436

約数の個数: 16

約数和(自身を含む): 30067200

約数和(自身を除く): 8630979

約数列:

[1, 3, 31, 53, 93, 159, 1643, 4349, 4929, 13047, 134819, 230497, 404457, 691491, 7145407, 21436221]

約数ペア:

[(1, 21436221), (3, 7145407), (31, 691491), (53, 404457), (93, 230497), (159, 134819), (1643, 13047), (4349, 4929)]