21525305685

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{333493}}^1$

素因数の和:333845

約数の個数: 32

約数和(自身を含む): 37201922688

約数和(自身を除く): 15676617003

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 331, 993, 1655, 4303, 4965, 12909, 21515, 64545, 333493, 1000479, 1667465, 4335409, 5002395, 13006227, 21677045, 65031135, 110386183, 331158549, 551930915, 1435020379, 1655792745, 4305061137, 7175101895, 21525305685]

約数ペア:

[(1, 21525305685), (3, 7175101895), (5, 4305061137), (13, 1655792745), (15, 1435020379), (39, 551930915), (65, 331158549), (195, 110386183), (331, 65031135), (993, 21677045), (1655, 13006227), (4303, 5002395), (4965, 4335409), (12909, 1667465), (21515, 1000479), (64545, 333493)]