21488756

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{283}}^1\times {\mathrm{463}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 38742144

約数和(自身を除く): 17253388

約数列:

[1, 2, 4, 41, 82, 164, 283, 463, 566, 926, 1132, 1852, 11603, 18983, 23206, 37966, 46412, 75932, 131029, 262058, 524116, 5372189, 10744378, 21488756]

約数ペア:

[(1, 21488756), (2, 10744378), (4, 5372189), (41, 524116), (82, 262058), (164, 131029), (283, 75932), (463, 46412), (566, 37966), (926, 23206), (1132, 18983), (1852, 11603)]