21097094

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:248

約数の個数: 32

約数和(自身を含む): 34149600

約数和(自身を除く): 13052506

約数列:

[1, 2, 29, 58, 61, 67, 89, 122, 134, 178, 1769, 1943, 2581, 3538, 3886, 4087, 5162, 5429, 5963, 8174, 10858, 11926, 118523, 157441, 172927, 237046, 314882, 345854, 363743, 727486, 10548547, 21097094]

約数ペア:

[(1, 21097094), (2, 10548547), (29, 727486), (58, 363743), (61, 345854), (67, 314882), (89, 237046), (122, 172927), (134, 157441), (178, 118523), (1769, 11926), (1943, 10858), (2581, 8174), (3538, 5963), (3886, 5429), (4087, 5162)]