21858441

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{929}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 34283520

約数和(自身を除く): 12425079

約数列:

[1, 3, 11, 23, 31, 33, 69, 93, 253, 341, 713, 759, 929, 1023, 2139, 2787, 7843, 10219, 21367, 23529, 28799, 30657, 64101, 86397, 235037, 316789, 662377, 705111, 950367, 1987131, 7286147, 21858441]

約数ペア:

[(1, 21858441), (3, 7286147), (11, 1987131), (23, 950367), (31, 705111), (33, 662377), (69, 316789), (93, 235037), (253, 86397), (341, 64101), (713, 30657), (759, 28799), (929, 23529), (1023, 21367), (2139, 10219), (2787, 7843)]