21069522

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{619}}^1$

素因数の和:719

約数の個数: 48

約数和(自身を含む): 47973120

約数和(自身を除く): 26903598

約数列:

[1, 2, 3, 6, 9, 18, 31, 61, 62, 93, 122, 183, 186, 279, 366, 549, 558, 619, 1098, 1238, 1857, 1891, 3714, 3782, 5571, 5673, 11142, 11346, 17019, 19189, 34038, 37759, 38378, 57567, 75518, 113277, 115134, 172701, 226554, 339831, 345402, 679662, 1170529, 2341058, 3511587, 7023174, 10534761, 21069522]

約数ペア:

[(1, 21069522), (2, 10534761), (3, 7023174), (6, 3511587), (9, 2341058), (18, 1170529), (31, 679662), (61, 345402), (62, 339831), (93, 226554), (122, 172701), (183, 115134), (186, 113277), (279, 75518), (366, 57567), (549, 38378), (558, 37759), (619, 34038), (1098, 19189), (1238, 17019), (1857, 11346), (1891, 11142), (3714, 5673), (3782, 5571)]