21859188

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{140123}}^1$

素因数の和:140143

約数の個数: 24

約数和(自身を含む): 54928608

約数和(自身を除く): 33069420

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 140123, 280246, 420369, 560492, 840738, 1681476, 1821599, 3643198, 5464797, 7286396, 10929594, 21859188]

約数ペア:

[(1, 21859188), (2, 10929594), (3, 7286396), (4, 5464797), (6, 3643198), (12, 1821599), (13, 1681476), (26, 840738), (39, 560492), (52, 420369), (78, 280246), (156, 140123)]