21931935

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{919}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 36917760

約数和(自身を除く): 14985825

約数列:

[1, 3, 5, 15, 37, 43, 111, 129, 185, 215, 555, 645, 919, 1591, 2757, 4595, 4773, 7955, 13785, 23865, 34003, 39517, 102009, 118551, 170015, 197585, 510045, 592755, 1462129, 4386387, 7310645, 21931935]

約数ペア:

[(1, 21931935), (3, 7310645), (5, 4386387), (15, 1462129), (37, 592755), (43, 510045), (111, 197585), (129, 170015), (185, 118551), (215, 102009), (555, 39517), (645, 34003), (919, 23865), (1591, 13785), (2757, 7955), (4595, 4773)]