21130299

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4261}}^1$

素因数の和:4315

約数の個数: 24

約数和(自身を含む): 33243600

約数和(自身を除く): 12113301

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 4261, 4959, 12783, 38349, 80959, 123569, 242877, 370707, 728631, 1112121, 2347811, 7043433, 21130299]

約数ペア:

[(1, 21130299), (3, 7043433), (9, 2347811), (19, 1112121), (29, 728631), (57, 370707), (87, 242877), (171, 123569), (261, 80959), (551, 38349), (1653, 12783), (4261, 4959)]