21573310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8527}}^1$

素因数の和:8568

約数の個数: 32

約数和(自身を含む): 44209152

約数和(自身を除く): 22635842

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 8527, 17054, 42635, 85270, 93797, 187594, 196121, 392242, 468985, 937970, 980605, 1961210, 2157331, 4314662, 10786655, 21573310]

約数ペア:

[(1, 21573310), (2, 10786655), (5, 4314662), (10, 2157331), (11, 1961210), (22, 980605), (23, 937970), (46, 468985), (55, 392242), (110, 196121), (115, 187594), (230, 93797), (253, 85270), (506, 42635), (1265, 17054), (2530, 8527)]