21093051

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{32401}}^1$

素因数の和:32442

約数の個数: 16

約数和(自身を含む): 33179648

約数和(自身を除く): 12086597

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 32401, 97203, 226807, 680421, 1004431, 3013293, 7031017, 21093051]

約数ペア:

[(1, 21093051), (3, 7031017), (7, 3013293), (21, 1004431), (31, 680421), (93, 226807), (217, 97203), (651, 32401)]