21639894

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{911}}^1$

素因数の和:1060

約数の個数: 32

約数和(自身を含む): 44914176

約数和(自身を除く): 23274282

約数列:

[1, 2, 3, 6, 37, 74, 107, 111, 214, 222, 321, 642, 911, 1822, 2733, 3959, 5466, 7918, 11877, 23754, 33707, 67414, 97477, 101121, 194954, 202242, 292431, 584862, 3606649, 7213298, 10819947, 21639894]

約数ペア:

[(1, 21639894), (2, 10819947), (3, 7213298), (6, 3606649), (37, 584862), (74, 292431), (107, 202242), (111, 194954), (214, 101121), (222, 97477), (321, 67414), (642, 33707), (911, 23754), (1822, 11877), (2733, 7918), (3959, 5466)]