20211348213

素因数分解:

$3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{762031}}^1$

素因数の和:762465

約数の個数: 24

約数和(自身を含む): 33444060416

約数和(自身を除く): 13232712203

約数列:

[1, 3, 7, 9, 21, 63, 421, 1263, 2947, 3789, 8841, 26523, 762031, 2286093, 5334217, 6858279, 16002651, 48007953, 320815051, 962445153, 2245705357, 2887335459, 6737116071, 20211348213]

約数ペア:

[(1, 20211348213), (3, 6737116071), (7, 2887335459), (9, 2245705357), (21, 962445153), (63, 320815051), (421, 48007953), (1263, 16002651), (2947, 6858279), (3789, 5334217), (8841, 2286093), (26523, 762031)]