21748152

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{12763}}^1$

素因数の和:12843

約数の個数: 32

約数和(自身を含む): 55140480

約数和(自身を除く): 33392328

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 12763, 25526, 38289, 51052, 76578, 102104, 153156, 306312, 906173, 1812346, 2718519, 3624692, 5437038, 7249384, 10874076, 21748152]

約数ペア:

[(1, 21748152), (2, 10874076), (3, 7249384), (4, 5437038), (6, 3624692), (8, 2718519), (12, 1812346), (24, 906173), (71, 306312), (142, 153156), (213, 102104), (284, 76578), (426, 51052), (568, 38289), (852, 25526), (1704, 12763)]