21450264

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2621}}^1$

素因数の和:2672

約数の個数: 64

約数和(自身を含む): 60410880

約数和(自身を除く): 38960616

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 31, 33, 44, 62, 66, 88, 93, 124, 132, 186, 248, 264, 341, 372, 682, 744, 1023, 1364, 2046, 2621, 2728, 4092, 5242, 7863, 8184, 10484, 15726, 20968, 28831, 31452, 57662, 62904, 81251, 86493, 115324, 162502, 172986, 230648, 243753, 325004, 345972, 487506, 650008, 691944, 893761, 975012, 1787522, 1950024, 2681283, 3575044, 5362566, 7150088, 10725132, 21450264]

約数ペア:

[(1, 21450264), (2, 10725132), (3, 7150088), (4, 5362566), (6, 3575044), (8, 2681283), (11, 1950024), (12, 1787522), (22, 975012), (24, 893761), (31, 691944), (33, 650008), (44, 487506), (62, 345972), (66, 325004), (88, 243753), (93, 230648), (124, 172986), (132, 162502), (186, 115324), (248, 86493), (264, 81251), (341, 62904), (372, 57662), (682, 31452), (744, 28831), (1023, 20968), (1364, 15726), (2046, 10484), (2621, 8184), (2728, 7863), (4092, 5242)]