21902776

素因数分解:

$2^3\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1723}}^1$

素因数の和:1963

約数の個数: 32

約数和(自身を含む): 47168640

約数和(自身を除く): 25265864

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 227, 454, 908, 1589, 1723, 1816, 3178, 3446, 6356, 6892, 12061, 12712, 13784, 24122, 48244, 96488, 391121, 782242, 1564484, 2737847, 3128968, 5475694, 10951388, 21902776]

約数ペア:

[(1, 21902776), (2, 10951388), (4, 5475694), (7, 3128968), (8, 2737847), (14, 1564484), (28, 782242), (56, 391121), (227, 96488), (454, 48244), (908, 24122), (1589, 13784), (1723, 12712), (1816, 12061), (3178, 6892), (3446, 6356)]