21842271

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{293}}^1$

素因数の和:564

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 13719969

約数列:

[1, 3, 9, 11, 27, 33, 99, 251, 293, 297, 753, 879, 2259, 2637, 2761, 3223, 6777, 7911, 8283, 9669, 24849, 29007, 73543, 74547, 87021, 220629, 661887, 808973, 1985661, 2426919, 7280757, 21842271]

約数ペア:

[(1, 21842271), (3, 7280757), (9, 2426919), (11, 1985661), (27, 808973), (33, 661887), (99, 220629), (251, 87021), (293, 74547), (297, 73543), (753, 29007), (879, 24849), (2259, 9669), (2637, 8283), (2761, 7911), (3223, 6777)]