21748120

素因数分解:

$2^3\times 5^1\times {\mathrm{543703}}^1$

素因数の和:543714

約数の個数: 16

約数和(自身を含む): 48933360

約数和(自身を除く): 27185240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 543703, 1087406, 2174812, 2718515, 4349624, 5437030, 10874060, 21748120]

約数ペア:

[(1, 21748120), (2, 10874060), (4, 5437030), (5, 4349624), (8, 2718515), (10, 2174812), (20, 1087406), (40, 543703)]