21754826

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{6661}}^1$

素因数の和:6757

約数の個数: 16

約数和(自身を含む): 34535808

約数和(自身を除く): 12780982

約数列:

[1, 2, 23, 46, 71, 142, 1633, 3266, 6661, 13322, 153203, 306406, 472931, 945862, 10877413, 21754826]

約数ペア:

[(1, 21754826), (2, 10877413), (23, 945862), (46, 472931), (71, 306406), (142, 153203), (1633, 13322), (3266, 6661)]