21166053842

素因数分解:

$2^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1\times {\mathrm{211741}}^1$

素因数の和:212225

約数の個数: 16

約数和(自身を含む): 32056044864

約数和(自身を除く): 10889991022

約数列:

[1, 2, 151, 302, 331, 662, 49981, 99962, 211741, 423482, 31972891, 63945782, 70086271, 140172542, 10583026921, 21166053842]

約数ペア:

[(1, 21166053842), (2, 10583026921), (151, 140172542), (302, 70086271), (331, 63945782), (662, 31972891), (49981, 423482), (99962, 211741)]