21522158

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{751}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 38983680

約数和(自身を除く): 17461522

約数列:

[1, 2, 7, 14, 23, 46, 89, 161, 178, 322, 623, 751, 1246, 1502, 2047, 4094, 5257, 10514, 14329, 17273, 28658, 34546, 66839, 120911, 133678, 241822, 467873, 935746, 1537297, 3074594, 10761079, 21522158]

約数ペア:

[(1, 21522158), (2, 10761079), (7, 3074594), (14, 1537297), (23, 935746), (46, 467873), (89, 241822), (161, 133678), (178, 120911), (322, 66839), (623, 34546), (751, 28658), (1246, 17273), (1502, 14329), (2047, 10514), (4094, 5257)]