21820694

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{541}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 38919936

約数和(自身を除く): 17099242

約数列:

[1, 2, 7, 14, 43, 67, 86, 134, 301, 469, 541, 602, 938, 1082, 2881, 3787, 5762, 7574, 20167, 23263, 36247, 40334, 46526, 72494, 162841, 253729, 325682, 507458, 1558621, 3117242, 10910347, 21820694]

約数ペア:

[(1, 21820694), (2, 10910347), (7, 3117242), (14, 1558621), (43, 507458), (67, 325682), (86, 253729), (134, 162841), (301, 72494), (469, 46526), (541, 40334), (602, 36247), (938, 23263), (1082, 20167), (2881, 7574), (3787, 5762)]