21144630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54217}}^1$

素因数の和:54240

約数の個数: 32

約数和(自身を含む): 54651744

約数和(自身を除く): 33507114

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 54217, 108434, 162651, 271085, 325302, 542170, 704821, 813255, 1409642, 1626510, 2114463, 3524105, 4228926, 7048210, 10572315, 21144630]

約数ペア:

[(1, 21144630), (2, 10572315), (3, 7048210), (5, 4228926), (6, 3524105), (10, 2114463), (13, 1626510), (15, 1409642), (26, 813255), (30, 704821), (39, 542170), (65, 325302), (78, 271085), (130, 162651), (195, 108434), (390, 54217)]