21248422

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43013}}^1$

素因数の和:43047

約数の個数: 16

約数和(自身を含む): 36131760

約数和(自身を除く): 14883338

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 43013, 86026, 559169, 817247, 1118338, 1634494, 10624211, 21248422]

約数ペア:

[(1, 21248422), (2, 10624211), (13, 1634494), (19, 1118338), (26, 817247), (38, 559169), (247, 86026), (494, 43013)]