21046977

素因数分解:

$3^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{761}}^1$

素因数の和:1213

約数の個数: 24

約数和(自身を含む): 34869120

約数和(自身を除く): 13822143

約数列:

[1, 3, 7, 9, 21, 63, 439, 761, 1317, 2283, 3073, 3951, 5327, 6849, 9219, 15981, 27657, 47943, 334079, 1002237, 2338553, 3006711, 7015659, 21046977]

約数ペア:

[(1, 21046977), (3, 7015659), (7, 3006711), (9, 2338553), (21, 1002237), (63, 334079), (439, 47943), (761, 27657), (1317, 15981), (2283, 9219), (3073, 6849), (3951, 5327)]