21180822

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{271549}}^1$

素因数の和:271567

約数の個数: 16

約数和(自身を含む): 45620400

約数和(自身を除く): 24439578

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 271549, 543098, 814647, 1629294, 3530137, 7060274, 10590411, 21180822]

約数ペア:

[(1, 21180822), (2, 10590411), (3, 7060274), (6, 3530137), (13, 1629294), (26, 814647), (39, 543098), (78, 271549)]