21702465

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8461}}^1$

素因数の和:8494

約数の個数: 32

約数和(自身を含む): 40617600

約数和(自身を除く): 18915135

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 8461, 25383, 42305, 76149, 126915, 160759, 228447, 380745, 482277, 803795, 1142235, 1446831, 2411385, 4340493, 7234155, 21702465]

約数ペア:

[(1, 21702465), (3, 7234155), (5, 4340493), (9, 2411385), (15, 1446831), (19, 1142235), (27, 803795), (45, 482277), (57, 380745), (95, 228447), (135, 160759), (171, 126915), (285, 76149), (513, 42305), (855, 25383), (2565, 8461)]