21560121

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{317}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 35107200

約数和(自身を除く): 13547079

約数列:

[1, 3, 9, 11, 27, 33, 99, 229, 297, 317, 687, 951, 2061, 2519, 2853, 3487, 6183, 7557, 8559, 10461, 22671, 31383, 68013, 72593, 94149, 217779, 653337, 798523, 1960011, 2395569, 7186707, 21560121]

約数ペア:

[(1, 21560121), (3, 7186707), (9, 2395569), (11, 1960011), (27, 798523), (33, 653337), (99, 217779), (229, 94149), (297, 72593), (317, 68013), (687, 31383), (951, 22671), (2061, 10461), (2519, 8559), (2853, 7557), (3487, 6183)]