21583082452

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{2729}}^1\times {\mathrm{5477}}^1$

素因数の和:8248

約数の個数: 36

約数和(自身を含む): 39884824980

約数和(自身を除く): 18301742528

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 2729, 5458, 5477, 10916, 10954, 21908, 51851, 103702, 104063, 207404, 208126, 416252, 985169, 1970338, 1977197, 3940676, 3954394, 7908788, 14946733, 29893466, 59786932, 283987927, 567975854, 1135951708, 5395770613, 10791541226, 21583082452]

約数ペア:

[(1, 21583082452), (2, 10791541226), (4, 5395770613), (19, 1135951708), (38, 567975854), (76, 283987927), (361, 59786932), (722, 29893466), (1444, 14946733), (2729, 7908788), (5458, 3954394), (5477, 3940676), (10916, 1977197), (10954, 1970338), (21908, 985169), (51851, 416252), (103702, 208126), (104063, 207404)]