21333950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:593

約数の個数: 48

約数和(自身を含む): 43925760

約数和(自身を除く): 22591810

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 79, 110, 158, 275, 395, 491, 550, 790, 869, 982, 1738, 1975, 2455, 3950, 4345, 4910, 5401, 8690, 10802, 12275, 21725, 24550, 27005, 38789, 43450, 54010, 77578, 135025, 193945, 270050, 387890, 426679, 853358, 969725, 1939450, 2133395, 4266790, 10666975, 21333950]

約数ペア:

[(1, 21333950), (2, 10666975), (5, 4266790), (10, 2133395), (11, 1939450), (22, 969725), (25, 853358), (50, 426679), (55, 387890), (79, 270050), (110, 193945), (158, 135025), (275, 77578), (395, 54010), (491, 43450), (550, 38789), (790, 27005), (869, 24550), (982, 21725), (1738, 12275), (1975, 10802), (2455, 8690), (3950, 5401), (4345, 4910)]