21943272

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1327}}^1$

素因数の和:1402

約数の個数: 64

約数和(自身を含む): 60238080

約数和(自身を除く): 38294808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 53, 78, 104, 106, 156, 159, 212, 312, 318, 424, 636, 689, 1272, 1327, 1378, 2067, 2654, 2756, 3981, 4134, 5308, 5512, 7962, 8268, 10616, 15924, 16536, 17251, 31848, 34502, 51753, 69004, 70331, 103506, 138008, 140662, 207012, 210993, 281324, 414024, 421986, 562648, 843972, 914303, 1687944, 1828606, 2742909, 3657212, 5485818, 7314424, 10971636, 21943272]

約数ペア:

[(1, 21943272), (2, 10971636), (3, 7314424), (4, 5485818), (6, 3657212), (8, 2742909), (12, 1828606), (13, 1687944), (24, 914303), (26, 843972), (39, 562648), (52, 421986), (53, 414024), (78, 281324), (104, 210993), (106, 207012), (156, 140662), (159, 138008), (212, 103506), (312, 70331), (318, 69004), (424, 51753), (636, 34502), (689, 31848), (1272, 17251), (1327, 16536), (1378, 15924), (2067, 10616), (2654, 8268), (2756, 7962), (3981, 5512), (4134, 5308)]