21400878

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{541}}^1$

素因数の和:912

約数の個数: 32

約数和(自身を含む): 45267840

約数和(自身を除く): 23866962

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 347, 541, 694, 1041, 1082, 1623, 2082, 3246, 6593, 10279, 13186, 19779, 20558, 30837, 39558, 61674, 187727, 375454, 563181, 1126362, 3566813, 7133626, 10700439, 21400878]

約数ペア:

[(1, 21400878), (2, 10700439), (3, 7133626), (6, 3566813), (19, 1126362), (38, 563181), (57, 375454), (114, 187727), (347, 61674), (541, 39558), (694, 30837), (1041, 20558), (1082, 19779), (1623, 13186), (2082, 10279), (3246, 6593)]