21967826

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{2309}}^1$

素因数の和:2449

約数の個数: 16

約数和(自身を含む): 33929280

約数和(自身を除く): 11961454

約数列:

[1, 2, 67, 71, 134, 142, 2309, 4618, 4757, 9514, 154703, 163939, 309406, 327878, 10983913, 21967826]

約数ペア:

[(1, 21967826), (2, 10983913), (67, 327878), (71, 309406), (134, 163939), (142, 154703), (2309, 9514), (4618, 4757)]