21157374

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26513}}^1$

素因数の和:26544

約数の個数: 32

約数和(自身を含む): 50906880

約数和(自身を除く): 29749506

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 26513, 53026, 79539, 159078, 185591, 371182, 503747, 556773, 1007494, 1113546, 1511241, 3022482, 3526229, 7052458, 10578687, 21157374]

約数ペア:

[(1, 21157374), (2, 10578687), (3, 7052458), (6, 3526229), (7, 3022482), (14, 1511241), (19, 1113546), (21, 1007494), (38, 556773), (42, 503747), (57, 371182), (114, 185591), (133, 159078), (266, 79539), (399, 53026), (798, 26513)]