21129012

素因数分解:

$2^2\times 3^4\times {\mathrm{65213}}^1$

素因数の和:65229

約数の個数: 30

約数和(自身を含む): 55236258

約数和(自身を除く): 34107246

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 65213, 130426, 195639, 260852, 391278, 586917, 782556, 1173834, 1760751, 2347668, 3521502, 5282253, 7043004, 10564506, 21129012]

約数ペア:

[(1, 21129012), (2, 10564506), (3, 7043004), (4, 5282253), (6, 3521502), (9, 2347668), (12, 1760751), (18, 1173834), (27, 782556), (36, 586917), (54, 391278), (81, 260852), (108, 195639), (162, 130426), (324, 65213)]