21486806

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{7129}}^1$

素因数の和:7279

約数の個数: 16

約数和(自身を含む): 35421840

約数和(自身を除く): 13935034

約数列:

[1, 2, 11, 22, 137, 274, 1507, 3014, 7129, 14258, 78419, 156838, 976673, 1953346, 10743403, 21486806]

約数ペア:

[(1, 21486806), (2, 10743403), (11, 1953346), (22, 976673), (137, 156838), (274, 78419), (1507, 14258), (3014, 7129)]