21926465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 30326400

約数和(自身を除く): 8399935

約数列:

[1, 5, 11, 29, 55, 59, 145, 233, 295, 319, 649, 1165, 1595, 1711, 2563, 3245, 6757, 8555, 12815, 13747, 18821, 33785, 68735, 74327, 94105, 151217, 371635, 398663, 756085, 1993315, 4385293, 21926465]

約数ペア:

[(1, 21926465), (5, 4385293), (11, 1993315), (29, 756085), (55, 398663), (59, 371635), (145, 151217), (233, 94105), (295, 74327), (319, 68735), (649, 33785), (1165, 18821), (1595, 13747), (1711, 12815), (2563, 8555), (3245, 6757)]