21488060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97673}}^1$

素因数の和:97693

約数の個数: 24

約数和(自身を含む): 49227696

約数和(自身を除く): 27739636

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 97673, 195346, 390692, 488365, 976730, 1074403, 1953460, 2148806, 4297612, 5372015, 10744030, 21488060]

約数ペア:

[(1, 21488060), (2, 10744030), (4, 5372015), (5, 4297612), (10, 2148806), (11, 1953460), (20, 1074403), (22, 976730), (44, 488365), (55, 390692), (110, 195346), (220, 97673)]