21421806

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16453}}^1$

素因数の和:16496

約数の個数: 32

約数和(自身を含む): 50546688

約数和(自身を除く): 29124882

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 651, 1302, 16453, 32906, 49359, 98718, 115171, 230342, 345513, 510043, 691026, 1020086, 1530129, 3060258, 3570301, 7140602, 10710903, 21421806]

約数ペア:

[(1, 21421806), (2, 10710903), (3, 7140602), (6, 3570301), (7, 3060258), (14, 1530129), (21, 1020086), (31, 691026), (42, 510043), (62, 345513), (93, 230342), (186, 115171), (217, 98718), (434, 49359), (651, 32906), (1302, 16453)]