21417015

素因数分解:

$3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{4591}}^1$

素因数の和:4910

約数の個数: 16

約数和(自身を含む): 34384896

約数和(自身を除く): 12967881

約数列:

[1, 3, 5, 15, 311, 933, 1555, 4591, 4665, 13773, 22955, 68865, 1427801, 4283403, 7139005, 21417015]

約数ペア:

[(1, 21417015), (3, 7139005), (5, 4283403), (15, 1427801), (311, 68865), (933, 22955), (1555, 13773), (4591, 4665)]