21367686

素因数分解:

$2^1\times 3^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{401}}^1$

素因数の和:596

約数の個数: 32

約数和(自身を含む): 43763328

約数和(自身を除く): 22395642

約数列:

[1, 2, 3, 6, 83, 107, 166, 214, 249, 321, 401, 498, 642, 802, 1203, 2406, 8881, 17762, 26643, 33283, 42907, 53286, 66566, 85814, 99849, 128721, 199698, 257442, 3561281, 7122562, 10683843, 21367686]

約数ペア:

[(1, 21367686), (2, 10683843), (3, 7122562), (6, 3561281), (83, 257442), (107, 199698), (166, 128721), (214, 99849), (249, 85814), (321, 66566), (401, 53286), (498, 42907), (642, 33283), (802, 26643), (1203, 17762), (2406, 8881)]