21968076

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2657}}^1$

素因数の和:2730

約数の個数: 48

約数和(自身を含む): 56264544

約数和(自身を除く): 34296468

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 212, 318, 636, 689, 1378, 2067, 2657, 2756, 4134, 5314, 7971, 8268, 10628, 15942, 31884, 34541, 69082, 103623, 138164, 140821, 207246, 281642, 414492, 422463, 563284, 844926, 1689852, 1830673, 3661346, 5492019, 7322692, 10984038, 21968076]

約数ペア:

[(1, 21968076), (2, 10984038), (3, 7322692), (4, 5492019), (6, 3661346), (12, 1830673), (13, 1689852), (26, 844926), (39, 563284), (52, 422463), (53, 414492), (78, 281642), (106, 207246), (156, 140821), (159, 138164), (212, 103623), (318, 69082), (636, 34541), (689, 31884), (1378, 15942), (2067, 10628), (2657, 8268), (2756, 7971), (4134, 5314)]