21408376

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{3631}}^1$

素因数の和:3715

約数の個数: 32

約数和(自身を含む): 44455680

約数和(自身を除く): 23047304

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 88, 134, 268, 536, 737, 1474, 2948, 3631, 5896, 7262, 14524, 29048, 39941, 79882, 159764, 243277, 319528, 486554, 973108, 1946216, 2676047, 5352094, 10704188, 21408376]

約数ペア:

[(1, 21408376), (2, 10704188), (4, 5352094), (8, 2676047), (11, 1946216), (22, 973108), (44, 486554), (67, 319528), (88, 243277), (134, 159764), (268, 79882), (536, 39941), (737, 29048), (1474, 14524), (2948, 7262), (3631, 5896)]