2021990421

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{156707}}^1$

素因数の和:156761

約数の個数: 32

約数和(自身を含む): 3249497088

約数和(自身を除く): 1227506667

約数列:

[1, 3, 11, 17, 23, 33, 51, 69, 187, 253, 391, 561, 759, 1173, 4301, 12903, 156707, 470121, 1723777, 2664019, 3604261, 5171331, 7992057, 10812783, 29304209, 39646871, 61272437, 87912627, 118940613, 183817311, 673996807, 2021990421]

約数ペア:

[(1, 2021990421), (3, 673996807), (11, 183817311), (17, 118940613), (23, 87912627), (33, 61272437), (51, 39646871), (69, 29304209), (187, 10812783), (253, 7992057), (391, 5171331), (561, 3604261), (759, 2664019), (1173, 1723777), (4301, 470121), (12903, 156707)]