21887276

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{3607}}^1$

素因数の和:3689

約数の個数: 24

約数和(自身を含む): 40308576

約数和(自身を除く): 18421300

約数列:

[1, 2, 4, 37, 41, 74, 82, 148, 164, 1517, 3034, 3607, 6068, 7214, 14428, 133459, 147887, 266918, 295774, 533836, 591548, 5471819, 10943638, 21887276]

約数ペア:

[(1, 21887276), (2, 10943638), (4, 5471819), (37, 591548), (41, 533836), (74, 295774), (82, 266918), (148, 147887), (164, 133459), (1517, 14428), (3034, 7214), (3607, 6068)]