21180876

素因数分解:

$2^2\times 3^1\times {\mathrm{1097}}^1\times {\mathrm{1609}}^1$

素因数の和:2713

約数の個数: 24

約数和(自身を含む): 49497840

約数和(自身を除く): 28316964

約数列:

[1, 2, 3, 4, 6, 12, 1097, 1609, 2194, 3218, 3291, 4388, 4827, 6436, 6582, 9654, 13164, 19308, 1765073, 3530146, 5295219, 7060292, 10590438, 21180876]

約数ペア:

[(1, 21180876), (2, 10590438), (3, 7060292), (4, 5295219), (6, 3530146), (12, 1765073), (1097, 19308), (1609, 13164), (2194, 9654), (3218, 6582), (3291, 6436), (4388, 4827)]