21167608

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4909}}^1$

素因数の和:4940

約数の個数: 48

約数和(自身を含む): 50376600

約数和(自身を除く): 29208992

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 4909, 9818, 19636, 34363, 39272, 53999, 68726, 107998, 137452, 215996, 240541, 274904, 377993, 431992, 481082, 755986, 962164, 1511972, 1924328, 2645951, 3023944, 5291902, 10583804, 21167608]

約数ペア:

[(1, 21167608), (2, 10583804), (4, 5291902), (7, 3023944), (8, 2645951), (11, 1924328), (14, 1511972), (22, 962164), (28, 755986), (44, 481082), (49, 431992), (56, 377993), (77, 274904), (88, 240541), (98, 215996), (154, 137452), (196, 107998), (308, 68726), (392, 53999), (539, 39272), (616, 34363), (1078, 19636), (2156, 9818), (4312, 4909)]