21990652311

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{65921}}^1$

素因数の和:66183

約数の個数: 32

約数和(自身を含む): 32199469056

約数和(自身を除く): 10208816745

約数列:

[1, 3, 17, 31, 51, 93, 211, 527, 633, 1581, 3587, 6541, 10761, 19623, 65921, 111197, 197763, 333591, 1120657, 2043551, 3361971, 6130653, 13909331, 34740367, 41727993, 104221101, 236458627, 431189261, 709375881, 1293567783, 7330217437, 21990652311]

約数ペア:

[(1, 21990652311), (3, 7330217437), (17, 1293567783), (31, 709375881), (51, 431189261), (93, 236458627), (211, 104221101), (527, 41727993), (633, 34740367), (1581, 13909331), (3587, 6130653), (6541, 3361971), (10761, 2043551), (19623, 1120657), (65921, 333591), (111197, 197763)]