21247338

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16319}}^1$

素因数の和:16362

約数の個数: 32

約数和(自身を含む): 50135040

約数和(自身を除く): 28887702

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 651, 1302, 16319, 32638, 48957, 97914, 114233, 228466, 342699, 505889, 685398, 1011778, 1517667, 3035334, 3541223, 7082446, 10623669, 21247338]

約数ペア:

[(1, 21247338), (2, 10623669), (3, 7082446), (6, 3541223), (7, 3035334), (14, 1517667), (21, 1011778), (31, 685398), (42, 505889), (62, 342699), (93, 228466), (186, 114233), (217, 97914), (434, 48957), (651, 32638), (1302, 16319)]