21685374

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{7577}}^1$

素因数の和:7641

約数の個数: 32

約数和(自身を含む): 49105440

約数和(自身を除く): 27420066

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 106, 159, 318, 477, 954, 1431, 2862, 7577, 15154, 22731, 45462, 68193, 136386, 204579, 401581, 409158, 803162, 1204743, 2409486, 3614229, 7228458, 10842687, 21685374]

約数ペア:

[(1, 21685374), (2, 10842687), (3, 7228458), (6, 3614229), (9, 2409486), (18, 1204743), (27, 803162), (53, 409158), (54, 401581), (106, 204579), (159, 136386), (318, 68193), (477, 45462), (954, 22731), (1431, 15154), (2862, 7577)]