21000316617

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1483}}^1\times {\mathrm{4241}}^1$

素因数の和:5790

約数の個数: 48

約数和(自身を含む): 35353438848

約数和(自身を除く): 14353122231

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 1483, 3339, 4241, 4449, 10381, 12723, 13347, 29687, 31143, 38169, 78599, 89061, 93429, 224773, 235797, 267183, 550193, 674319, 707391, 1573411, 1650579, 2022957, 4720233, 4951737, 6289403, 14160699, 18868209, 44025821, 56604627, 132077463, 333338359, 396232389, 1000015077, 2333368513, 3000045231, 7000105539, 21000316617]

約数ペア:

[(1, 21000316617), (3, 7000105539), (7, 3000045231), (9, 2333368513), (21, 1000015077), (53, 396232389), (63, 333338359), (159, 132077463), (371, 56604627), (477, 44025821), (1113, 18868209), (1483, 14160699), (3339, 6289403), (4241, 4951737), (4449, 4720233), (10381, 2022957), (12723, 1650579), (13347, 1573411), (29687, 707391), (31143, 674319), (38169, 550193), (78599, 267183), (89061, 235797), (93429, 224773)]