21722715

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 44728320

約数和(自身を除く): 23005605

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 127, 135, 181, 189, 315, 381, 543, 635, 889, 905, 945, 1143, 1267, 1629, 1905, 2667, 2715, 3429, 3801, 4445, 4887, 5715, 6335, 8001, 8145, 11403, 13335, 17145, 19005, 22987, 24003, 24435, 34209, 40005, 57015, 68961, 114935, 120015, 160909, 171045, 206883, 344805, 482727, 620649, 804545, 1034415, 1448181, 2413635, 3103245, 4344543, 7240905, 21722715]

約数ペア:

[(1, 21722715), (3, 7240905), (5, 4344543), (7, 3103245), (9, 2413635), (15, 1448181), (21, 1034415), (27, 804545), (35, 620649), (45, 482727), (63, 344805), (105, 206883), (127, 171045), (135, 160909), (181, 120015), (189, 114935), (315, 68961), (381, 57015), (543, 40005), (635, 34209), (889, 24435), (905, 24003), (945, 22987), (1143, 19005), (1267, 17145), (1629, 13335), (1905, 11403), (2667, 8145), (2715, 8001), (3429, 6335), (3801, 5715), (4445, 4887)]