21420804969

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{200699}}^1$

素因数の和:200834

約数の個数: 32

約数和(自身を含む): 32754240000

約数和(自身を除く): 11333435031

約数列:

[1, 3, 9, 27, 59, 67, 177, 201, 531, 603, 1593, 1809, 3953, 11859, 35577, 106731, 200699, 602097, 1806291, 5418873, 11841241, 13446833, 35523723, 40340499, 106571169, 121021497, 319713507, 363064491, 793363147, 2380089441, 7140268323, 21420804969]

約数ペア:

[(1, 21420804969), (3, 7140268323), (9, 2380089441), (27, 793363147), (59, 363064491), (67, 319713507), (177, 121021497), (201, 106571169), (531, 40340499), (603, 35523723), (1593, 13446833), (1809, 11841241), (3953, 5418873), (11859, 1806291), (35577, 602097), (106731, 200699)]