21047668

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{12041}}^1$

素因数の和:12087

約数の個数: 24

約数和(自身を含む): 40461120

約数和(自身を除く): 19413452

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 12041, 24082, 48164, 228779, 276943, 457558, 553886, 915116, 1107772, 5261917, 10523834, 21047668]

約数ペア:

[(1, 21047668), (2, 10523834), (4, 5261917), (19, 1107772), (23, 915116), (38, 553886), (46, 457558), (76, 276943), (92, 228779), (437, 48164), (874, 24082), (1748, 12041)]