21871944

素因数分解:

$2^3\times 3^5\times {\mathrm{11251}}^1$

素因数の和:11272

約数の個数: 48

約数和(自身を含む): 61435920

約数和(自身を除く): 39563976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 972, 1944, 11251, 22502, 33753, 45004, 67506, 90008, 101259, 135012, 202518, 270024, 303777, 405036, 607554, 810072, 911331, 1215108, 1822662, 2430216, 2733993, 3645324, 5467986, 7290648, 10935972, 21871944]

約数ペア:

[(1, 21871944), (2, 10935972), (3, 7290648), (4, 5467986), (6, 3645324), (8, 2733993), (9, 2430216), (12, 1822662), (18, 1215108), (24, 911331), (27, 810072), (36, 607554), (54, 405036), (72, 303777), (81, 270024), (108, 202518), (162, 135012), (216, 101259), (243, 90008), (324, 67506), (486, 45004), (648, 33753), (972, 22502), (1944, 11251)]