21800235

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{9257}}^1$

素因数の和:9422

約数の個数: 16

約数和(自身を含む): 35106336

約数和(自身を除く): 13306101

約数列:

[1, 3, 5, 15, 157, 471, 785, 2355, 9257, 27771, 46285, 138855, 1453349, 4360047, 7266745, 21800235]

約数ペア:

[(1, 21800235), (3, 7266745), (5, 4360047), (15, 1453349), (157, 138855), (471, 46285), (785, 27771), (2355, 9257)]