21534676

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6911}}^1$

素因数の和:6975

約数の個数: 24

約数和(自身を含む): 40642560

約数和(自身を除く): 19107884

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 6911, 13822, 27644, 131309, 262618, 283351, 525236, 566702, 1133404, 5383669, 10767338, 21534676]

約数ペア:

[(1, 21534676), (2, 10767338), (4, 5383669), (19, 1133404), (38, 566702), (41, 525236), (76, 283351), (82, 262618), (164, 131309), (779, 27644), (1558, 13822), (3116, 6911)]