21126562

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{8311}}^1$

素因数の和:8385

約数の個数: 16

約数和(自身を含む): 33513984

約数和(自身を除く): 12387422

約数列:

[1, 2, 31, 41, 62, 82, 1271, 2542, 8311, 16622, 257641, 340751, 515282, 681502, 10563281, 21126562]

約数ペア:

[(1, 21126562), (2, 10563281), (31, 681502), (41, 515282), (62, 340751), (82, 257641), (1271, 16622), (2542, 8311)]