21655128

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{7457}}^1$

素因数の和:7488

約数の個数: 48

約数和(自身を含む): 59514840

約数和(自身を除く): 37859712

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 121, 132, 242, 264, 363, 484, 726, 968, 1452, 2904, 7457, 14914, 22371, 29828, 44742, 59656, 82027, 89484, 164054, 178968, 246081, 328108, 492162, 656216, 902297, 984324, 1804594, 1968648, 2706891, 3609188, 5413782, 7218376, 10827564, 21655128]

約数ペア:

[(1, 21655128), (2, 10827564), (3, 7218376), (4, 5413782), (6, 3609188), (8, 2706891), (11, 1968648), (12, 1804594), (22, 984324), (24, 902297), (33, 656216), (44, 492162), (66, 328108), (88, 246081), (121, 178968), (132, 164054), (242, 89484), (264, 82027), (363, 59656), (484, 44742), (726, 29828), (968, 22371), (1452, 14914), (2904, 7457)]