21456344

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29473}}^1$

素因数の和:29499

約数の個数: 32

約数和(自身を含む): 49516320

約数和(自身を除く): 28059976

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 29473, 58946, 117892, 206311, 235784, 383149, 412622, 766298, 825244, 1532596, 1650488, 2682043, 3065192, 5364086, 10728172, 21456344]

約数ペア:

[(1, 21456344), (2, 10728172), (4, 5364086), (7, 3065192), (8, 2682043), (13, 1650488), (14, 1532596), (26, 825244), (28, 766298), (52, 412622), (56, 383149), (91, 235784), (104, 206311), (182, 117892), (364, 58946), (728, 29473)]