21334264

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20051}}^1$

素因数の和:20083

約数の個数: 32

約数和(自身を含む): 48124800

約数和(自身を除く): 26790536

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 20051, 40102, 80204, 140357, 160408, 280714, 380969, 561428, 761938, 1122856, 1523876, 2666783, 3047752, 5333566, 10667132, 21334264]

約数ペア:

[(1, 21334264), (2, 10667132), (4, 5333566), (7, 3047752), (8, 2666783), (14, 1523876), (19, 1122856), (28, 761938), (38, 561428), (56, 380969), (76, 280714), (133, 160408), (152, 140357), (266, 80204), (532, 40102), (1064, 20051)]