21177860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{96263}}^1$

素因数の和:96283

約数の個数: 24

約数和(自身を含む): 48517056

約数和(自身を除く): 27339196

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 96263, 192526, 385052, 481315, 962630, 1058893, 1925260, 2117786, 4235572, 5294465, 10588930, 21177860]

約数ペア:

[(1, 21177860), (2, 10588930), (4, 5294465), (5, 4235572), (10, 2117786), (11, 1925260), (20, 1058893), (22, 962630), (44, 481315), (55, 385052), (110, 192526), (220, 96263)]