21000340790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{14685553}}^1$

素因数の和:14685584

約数の個数: 32

約数和(自身を含む): 44409115296

約数和(自身を除く): 23408774506

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 14685553, 29371106, 73427765, 146855530, 161541083, 190912189, 323082166, 381824378, 807705415, 954560945, 1615410830, 1909121890, 2100034079, 4200068158, 10500170395, 21000340790]

約数ペア:

[(1, 21000340790), (2, 10500170395), (5, 4200068158), (10, 2100034079), (11, 1909121890), (13, 1615410830), (22, 954560945), (26, 807705415), (55, 381824378), (65, 323082166), (110, 190912189), (130, 161541083), (143, 146855530), (286, 73427765), (715, 29371106), (1430, 14685553)]