21152803965

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45489901}}^1$

素因数の和:45489940

約数の個数: 16

約数和(自身を含む): 34936244736

約数和(自身を除く): 13783440771

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 45489901, 136469703, 227449505, 682348515, 1410186931, 4230560793, 7050934655, 21152803965]

約数ペア:

[(1, 21152803965), (3, 7050934655), (5, 4230560793), (15, 1410186931), (31, 682348515), (93, 227449505), (155, 136469703), (465, 45489901)]