21601515

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{110777}}^1$

素因数の和:110798

約数の個数: 16

約数和(自身を含む): 37221408

約数和(自身を除く): 15619893

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 110777, 332331, 553885, 1440101, 1661655, 4320303, 7200505, 21601515]

約数ペア:

[(1, 21601515), (3, 7200505), (5, 4320303), (13, 1661655), (15, 1440101), (39, 553885), (65, 332331), (195, 110777)]