21457515105

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2821501}}^1$

素因数の和:2821538

約数の個数: 36

約数和(自身を含む): 40274119548

約数和(自身を除く): 18816604443

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 169, 195, 507, 585, 845, 1521, 2535, 7605, 2821501, 8464503, 14107505, 25393509, 36679513, 42322515, 110038539, 126967545, 183397565, 330115617, 476833669, 550192695, 1430501007, 1650578085, 2384168345, 4291503021, 7152505035, 21457515105]

約数ペア:

[(1, 21457515105), (3, 7152505035), (5, 4291503021), (9, 2384168345), (13, 1650578085), (15, 1430501007), (39, 550192695), (45, 476833669), (65, 330115617), (117, 183397565), (169, 126967545), (195, 110038539), (507, 42322515), (585, 36679513), (845, 25393509), (1521, 14107505), (2535, 8464503), (7605, 2821501)]