21111432

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{691}}^1$

素因数の和:786

約数の個数: 64

約数和(自身を含む): 56467200

約数和(自身を除く): 35355768

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 67, 76, 114, 134, 152, 201, 228, 268, 402, 456, 536, 691, 804, 1273, 1382, 1608, 2073, 2546, 2764, 3819, 4146, 5092, 5528, 7638, 8292, 10184, 13129, 15276, 16584, 26258, 30552, 39387, 46297, 52516, 78774, 92594, 105032, 138891, 157548, 185188, 277782, 315096, 370376, 555564, 879643, 1111128, 1759286, 2638929, 3518572, 5277858, 7037144, 10555716, 21111432]

約数ペア:

[(1, 21111432), (2, 10555716), (3, 7037144), (4, 5277858), (6, 3518572), (8, 2638929), (12, 1759286), (19, 1111128), (24, 879643), (38, 555564), (57, 370376), (67, 315096), (76, 277782), (114, 185188), (134, 157548), (152, 138891), (201, 105032), (228, 92594), (268, 78774), (402, 52516), (456, 46297), (536, 39387), (691, 30552), (804, 26258), (1273, 16584), (1382, 15276), (1608, 13129), (2073, 10184), (2546, 8292), (2764, 7638), (3819, 5528), (4146, 5092)]