21627088

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6229}}^1$

素因数の和:6275

約数の個数: 40

約数和(自身を含む): 49441280

約数和(自身を除く): 27814192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 6229, 12458, 24916, 43603, 49832, 87206, 99664, 174412, 193099, 348824, 386198, 697648, 772396, 1351693, 1544792, 2703386, 3089584, 5406772, 10813544, 21627088]

約数ペア:

[(1, 21627088), (2, 10813544), (4, 5406772), (7, 3089584), (8, 2703386), (14, 1544792), (16, 1351693), (28, 772396), (31, 697648), (56, 386198), (62, 348824), (112, 193099), (124, 174412), (217, 99664), (248, 87206), (434, 49832), (496, 43603), (868, 24916), (1736, 12458), (3472, 6229)]