21777068

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 42293664

約数和(自身を除く): 20516596

約数列:

[1, 2, 4, 17, 34, 41, 68, 73, 82, 107, 146, 164, 214, 292, 428, 697, 1241, 1394, 1819, 2482, 2788, 2993, 3638, 4387, 4964, 5986, 7276, 7811, 8774, 11972, 15622, 17548, 31244, 50881, 74579, 101762, 132787, 149158, 203524, 265574, 298316, 320251, 531148, 640502, 1281004, 5444267, 10888534, 21777068]

約数ペア:

[(1, 21777068), (2, 10888534), (4, 5444267), (17, 1281004), (34, 640502), (41, 531148), (68, 320251), (73, 298316), (82, 265574), (107, 203524), (146, 149158), (164, 132787), (214, 101762), (292, 74579), (428, 50881), (697, 31244), (1241, 17548), (1394, 15622), (1819, 11972), (2482, 8774), (2788, 7811), (2993, 7276), (3638, 5986), (4387, 4964)]