21478203645

素因数分解:

$3^1\times 5^1\times {\mathrm{39019}}^1\times {\mathrm{36697}}^1$

素因数の和:75724

約数の個数: 16

約数和(自身を含む): 34366943040

約数和(自身を除く): 12888739395

約数列:

[1, 3, 5, 15, 36697, 39019, 110091, 117057, 183485, 195095, 550455, 585285, 1431880243, 4295640729, 7159401215, 21478203645]

約数ペア:

[(1, 21478203645), (3, 7159401215), (5, 4295640729), (15, 1431880243), (36697, 585285), (39019, 550455), (110091, 195095), (117057, 183485)]