21843608

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 42154560

約数和(自身を除く): 20310952

約数列:

[1, 2, 4, 8, 67, 83, 134, 166, 268, 332, 491, 536, 664, 982, 1964, 3928, 5561, 11122, 22244, 32897, 40753, 44488, 65794, 81506, 131588, 163012, 263176, 326024, 2730451, 5460902, 10921804, 21843608]

約数ペア:

[(1, 21843608), (2, 10921804), (4, 5460902), (8, 2730451), (67, 326024), (83, 263176), (134, 163012), (166, 131588), (268, 81506), (332, 65794), (491, 44488), (536, 40753), (664, 32897), (982, 22244), (1964, 11122), (3928, 5561)]