21768630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55817}}^1$

素因数の和:55840

約数の個数: 32

約数和(自身を含む): 56264544

約数和(自身を除く): 34495914

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 55817, 111634, 167451, 279085, 334902, 558170, 725621, 837255, 1451242, 1674510, 2176863, 3628105, 4353726, 7256210, 10884315, 21768630]

約数ペア:

[(1, 21768630), (2, 10884315), (3, 7256210), (5, 4353726), (6, 3628105), (10, 2176863), (13, 1674510), (15, 1451242), (26, 837255), (30, 725621), (39, 558170), (65, 334902), (78, 279085), (130, 167451), (195, 111634), (390, 55817)]