21097656

素因数分解:

$2^3\times 3^2\times {\mathrm{179}}^1\times {\mathrm{1637}}^1$

素因数の和:1828

約数の個数: 48

約数和(自身を含む): 57493800

約数和(自身を除く): 36396144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 179, 358, 537, 716, 1074, 1432, 1611, 1637, 2148, 3222, 3274, 4296, 4911, 6444, 6548, 9822, 12888, 13096, 14733, 19644, 29466, 39288, 58932, 117864, 293023, 586046, 879069, 1172092, 1758138, 2344184, 2637207, 3516276, 5274414, 7032552, 10548828, 21097656]

約数ペア:

[(1, 21097656), (2, 10548828), (3, 7032552), (4, 5274414), (6, 3516276), (8, 2637207), (9, 2344184), (12, 1758138), (18, 1172092), (24, 879069), (36, 586046), (72, 293023), (179, 117864), (358, 58932), (537, 39288), (716, 29466), (1074, 19644), (1432, 14733), (1611, 13096), (1637, 12888), (2148, 9822), (3222, 6548), (3274, 6444), (4296, 4911)]