21075026

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{28403}}^1$

素因数の和:28465

約数の個数: 16

約数和(自身を含む): 36811584

約数和(自身を除く): 15736558

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 28403, 56806, 198821, 397642, 1505359, 3010718, 10537513, 21075026]

約数ペア:

[(1, 21075026), (2, 10537513), (7, 3010718), (14, 1505359), (53, 397642), (106, 198821), (371, 56806), (742, 28403)]