21027942

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1231}}^1$

素因数の和:1325

約数の個数: 48

約数和(自身を含む): 49777728

約数和(自身を除く): 28749786

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 73, 78, 117, 146, 219, 234, 438, 657, 949, 1231, 1314, 1898, 2462, 2847, 3693, 5694, 7386, 8541, 11079, 16003, 17082, 22158, 32006, 48009, 89863, 96018, 144027, 179726, 269589, 288054, 539178, 808767, 1168219, 1617534, 2336438, 3504657, 7009314, 10513971, 21027942]

約数ペア:

[(1, 21027942), (2, 10513971), (3, 7009314), (6, 3504657), (9, 2336438), (13, 1617534), (18, 1168219), (26, 808767), (39, 539178), (73, 288054), (78, 269589), (117, 179726), (146, 144027), (219, 96018), (234, 89863), (438, 48009), (657, 32006), (949, 22158), (1231, 17082), (1314, 16003), (1898, 11079), (2462, 8541), (2847, 7386), (3693, 5694)]