21771510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11897}}^1$

素因数の和:11968

約数の個数: 32

約数和(自身を含む): 53112672

約数和(自身を除く): 31341162

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 11897, 23794, 35691, 59485, 71382, 118970, 178455, 356910, 725717, 1451434, 2177151, 3628585, 4354302, 7257170, 10885755, 21771510]

約数ペア:

[(1, 21771510), (2, 10885755), (3, 7257170), (5, 4354302), (6, 3628585), (10, 2177151), (15, 1451434), (30, 725717), (61, 356910), (122, 178455), (183, 118970), (305, 71382), (366, 59485), (610, 35691), (915, 23794), (1830, 11897)]