21605190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{720173}}^1$

素因数の和:720183

約数の個数: 16

約数和(自身を含む): 51852528

約数和(自身を除く): 30247338

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 720173, 1440346, 2160519, 3600865, 4321038, 7201730, 10802595, 21605190]

約数ペア:

[(1, 21605190), (2, 10802595), (3, 7201730), (5, 4321038), (6, 3600865), (10, 2160519), (15, 1440346), (30, 720173)]