21017096

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{347}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 40465440

約数和(自身を除く): 19448344

約数列:

[1, 2, 4, 8, 67, 113, 134, 226, 268, 347, 452, 536, 694, 904, 1388, 2776, 7571, 15142, 23249, 30284, 39211, 46498, 60568, 78422, 92996, 156844, 185992, 313688, 2627137, 5254274, 10508548, 21017096]

約数ペア:

[(1, 21017096), (2, 10508548), (4, 5254274), (8, 2627137), (67, 313688), (113, 185992), (134, 156844), (226, 92996), (268, 78422), (347, 60568), (452, 46498), (536, 39211), (694, 30284), (904, 23249), (1388, 15142), (2776, 7571)]