21422835

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1447}}^1$

素因数の和:1512

約数の個数: 48

約数和(自身を含む): 43370496

約数和(自身を除く): 21947661

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 63, 105, 141, 235, 315, 329, 423, 705, 987, 1447, 1645, 2115, 2961, 4341, 4935, 7235, 10129, 13023, 14805, 21705, 30387, 50645, 65115, 68009, 91161, 151935, 204027, 340045, 455805, 476063, 612081, 1020135, 1428189, 2380315, 3060405, 4284567, 7140945, 21422835]

約数ペア:

[(1, 21422835), (3, 7140945), (5, 4284567), (7, 3060405), (9, 2380315), (15, 1428189), (21, 1020135), (35, 612081), (45, 476063), (47, 455805), (63, 340045), (105, 204027), (141, 151935), (235, 91161), (315, 68009), (329, 65115), (423, 50645), (705, 30387), (987, 21705), (1447, 14805), (1645, 13023), (2115, 10129), (2961, 7235), (4341, 4935)]