21017934

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{55603}}^1$

素因数の和:55621

約数の個数: 32

約数和(自身を含む): 53379840

約数和(自身を除く): 32361906

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 55603, 111206, 166809, 333618, 389221, 500427, 778442, 1000854, 1167663, 1501281, 2335326, 3002562, 3502989, 7005978, 10508967, 21017934]

約数ペア:

[(1, 21017934), (2, 10508967), (3, 7005978), (6, 3502989), (7, 3002562), (9, 2335326), (14, 1501281), (18, 1167663), (21, 1000854), (27, 778442), (42, 500427), (54, 389221), (63, 333618), (126, 166809), (189, 111206), (378, 55603)]