21601155

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{38921}}^1$

素因数の和:38966

約数の個数: 16

約数和(自身を含む): 35496864

約数和(自身を除く): 13895709

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 38921, 116763, 194605, 583815, 1440077, 4320231, 7200385, 21601155]

約数ペア:

[(1, 21601155), (3, 7200385), (5, 4320231), (15, 1440077), (37, 583815), (111, 194605), (185, 116763), (555, 38921)]