21507294

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1439}}^1$

素因数の和:1544

約数の個数: 32

約数和(自身を含む): 44789760

約数和(自身を除く): 23282466

約数列:

[1, 2, 3, 6, 47, 53, 94, 106, 141, 159, 282, 318, 1439, 2491, 2878, 4317, 4982, 7473, 8634, 14946, 67633, 76267, 135266, 152534, 202899, 228801, 405798, 457602, 3584549, 7169098, 10753647, 21507294]

約数ペア:

[(1, 21507294), (2, 10753647), (3, 7169098), (6, 3584549), (47, 457602), (53, 405798), (94, 228801), (106, 202899), (141, 152534), (159, 135266), (282, 76267), (318, 67633), (1439, 14946), (2491, 8634), (2878, 7473), (4317, 4982)]