21894672

素因数分解:

$2^4\times 3^1\times {\mathrm{491}}^1\times {\mathrm{929}}^1$

素因数の和:1431

約数の個数: 40

約数和(自身を含む): 56737440

約数和(自身を除く): 34842768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 491, 929, 982, 1473, 1858, 1964, 2787, 2946, 3716, 3928, 5574, 5892, 7432, 7856, 11148, 11784, 14864, 22296, 23568, 44592, 456139, 912278, 1368417, 1824556, 2736834, 3649112, 5473668, 7298224, 10947336, 21894672]

約数ペア:

[(1, 21894672), (2, 10947336), (3, 7298224), (4, 5473668), (6, 3649112), (8, 2736834), (12, 1824556), (16, 1368417), (24, 912278), (48, 456139), (491, 44592), (929, 23568), (982, 22296), (1473, 14864), (1858, 11784), (1964, 11148), (2787, 7856), (2946, 7432), (3716, 5892), (3928, 5574)]