21252429

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{439}}^1$

素因数の和:622

約数の個数: 32

約数和(自身を含む): 34636800

約数和(自身を除く): 13384371

約数列:

[1, 3, 9, 11, 27, 33, 99, 163, 297, 439, 489, 1317, 1467, 1793, 3951, 4401, 4829, 5379, 11853, 14487, 16137, 43461, 48411, 71557, 130383, 214671, 644013, 787127, 1932039, 2361381, 7084143, 21252429]

約数ペア:

[(1, 21252429), (3, 7084143), (9, 2361381), (11, 1932039), (27, 787127), (33, 644013), (99, 214671), (163, 130383), (297, 71557), (439, 48411), (489, 43461), (1317, 16137), (1467, 14487), (1793, 11853), (3951, 5379), (4401, 4829)]