21999204

素因数分解:

$2^2\times 3^2\times {\mathrm{449}}^1\times {\mathrm{1361}}^1$

素因数の和:1820

約数の個数: 36

約数和(自身を含む): 55773900

約数和(自身を除く): 33774696

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 449, 898, 1347, 1361, 1796, 2694, 2722, 4041, 4083, 5388, 5444, 8082, 8166, 12249, 16164, 16332, 24498, 48996, 611089, 1222178, 1833267, 2444356, 3666534, 5499801, 7333068, 10999602, 21999204]

約数ペア:

[(1, 21999204), (2, 10999602), (3, 7333068), (4, 5499801), (6, 3666534), (9, 2444356), (12, 1833267), (18, 1222178), (36, 611089), (449, 48996), (898, 24498), (1347, 16332), (1361, 16164), (1796, 12249), (2694, 8166), (2722, 8082), (4041, 5444), (4083, 5388)]