21255026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{26371}}^1$

素因数の和:26417

約数の個数: 16

約数和(自身を含む): 35443968

約数和(自身を除く): 14188942

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 26371, 52742, 342823, 685646, 817501, 1635002, 10627513, 21255026]

約数ペア:

[(1, 21255026), (2, 10627513), (13, 1635002), (26, 817501), (31, 685646), (62, 342823), (403, 52742), (806, 26371)]