21599055

素因数分解:

$3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{613}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 40229280

約数和(自身を除く): 18630225

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 243, 261, 405, 435, 613, 783, 1215, 1305, 1839, 2349, 3065, 3915, 5517, 7047, 9195, 11745, 16551, 17777, 27585, 35235, 49653, 53331, 82755, 88885, 148959, 159993, 248265, 266655, 479979, 744795, 799965, 1439937, 2399895, 4319811, 7199685, 21599055]

約数ペア:

[(1, 21599055), (3, 7199685), (5, 4319811), (9, 2399895), (15, 1439937), (27, 799965), (29, 744795), (45, 479979), (81, 266655), (87, 248265), (135, 159993), (145, 148959), (243, 88885), (261, 82755), (405, 53331), (435, 49653), (613, 35235), (783, 27585), (1215, 17777), (1305, 16551), (1839, 11745), (2349, 9195), (3065, 7047), (3915, 5517)]