21201045

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12967}}^1$

素因数の和:13084

約数の個数: 16

約数和(自身を含む): 34235520

約数和(自身を除く): 13034475

約数列:

[1, 3, 5, 15, 109, 327, 545, 1635, 12967, 38901, 64835, 194505, 1413403, 4240209, 7067015, 21201045]

約数ペア:

[(1, 21201045), (3, 7067015), (5, 4240209), (15, 1413403), (109, 194505), (327, 64835), (545, 38901), (1635, 12967)]