21702933

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1697}}^1$

素因数の和:1746

約数の個数: 36

約数和(自身を含む): 37746540

約数和(自身を除く): 16043607

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 441, 609, 1421, 1697, 1827, 4263, 5091, 11879, 12789, 15273, 35637, 49213, 83153, 106911, 147639, 249459, 344491, 442917, 748377, 1033473, 2411437, 3100419, 7234311, 21702933]

約数ペア:

[(1, 21702933), (3, 7234311), (7, 3100419), (9, 2411437), (21, 1033473), (29, 748377), (49, 442917), (63, 344491), (87, 249459), (147, 147639), (203, 106911), (261, 83153), (441, 49213), (609, 35637), (1421, 15273), (1697, 12789), (1827, 11879), (4263, 5091)]