21347196

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{136841}}^1$

素因数の和:136861

約数の個数: 24

約数和(自身を含む): 53642064

約数和(自身を除く): 32294868

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 136841, 273682, 410523, 547364, 821046, 1642092, 1778933, 3557866, 5336799, 7115732, 10673598, 21347196]

約数ペア:

[(1, 21347196), (2, 10673598), (3, 7115732), (4, 5336799), (6, 3557866), (12, 1778933), (13, 1642092), (26, 821046), (39, 547364), (52, 410523), (78, 273682), (156, 136841)]