21827656

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{881}}^1$

素因数の和:1069

約数の個数: 32

約数和(自身を含む): 43394400

約数和(自身を除く): 21566744

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 163, 326, 652, 881, 1304, 1762, 3097, 3524, 6194, 7048, 12388, 16739, 24776, 33478, 66956, 133912, 143603, 287206, 574412, 1148824, 2728457, 5456914, 10913828, 21827656]

約数ペア:

[(1, 21827656), (2, 10913828), (4, 5456914), (8, 2728457), (19, 1148824), (38, 574412), (76, 287206), (152, 143603), (163, 133912), (326, 66956), (652, 33478), (881, 24776), (1304, 16739), (1762, 12388), (3097, 7048), (3524, 6194)]