21959842

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{8237}}^1$

素因数の和:8313

約数の個数: 16

約数和(自身を含む): 34797312

約数和(自身を除く): 12837470

約数列:

[1, 2, 31, 43, 62, 86, 1333, 2666, 8237, 16474, 255347, 354191, 510694, 708382, 10979921, 21959842]

約数ペア:

[(1, 21959842), (2, 10979921), (31, 708382), (43, 510694), (62, 354191), (86, 255347), (1333, 16474), (2666, 8237)]