21819642

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3541}}^1$

素因数の和:3638

約数の個数: 32

約数和(自身を含む): 47604480

約数和(自身を除く): 25784838

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 79, 158, 237, 474, 1027, 2054, 3081, 3541, 6162, 7082, 10623, 21246, 46033, 92066, 138099, 276198, 279739, 559478, 839217, 1678434, 3636607, 7273214, 10909821, 21819642]

約数ペア:

[(1, 21819642), (2, 10909821), (3, 7273214), (6, 3636607), (13, 1678434), (26, 839217), (39, 559478), (78, 279739), (79, 276198), (158, 138099), (237, 92066), (474, 46033), (1027, 21246), (2054, 10623), (3081, 7082), (3541, 6162)]