21258132

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2609}}^1$

素因数の和:2720

約数の個数: 48

約数和(自身を含む): 57294720

約数和(自身を除く): 36036588

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 97, 194, 291, 388, 582, 679, 1164, 1358, 2037, 2609, 2716, 4074, 5218, 7827, 8148, 10436, 15654, 18263, 31308, 36526, 54789, 73052, 109578, 219156, 253073, 506146, 759219, 1012292, 1518438, 1771511, 3036876, 3543022, 5314533, 7086044, 10629066, 21258132]

約数ペア:

[(1, 21258132), (2, 10629066), (3, 7086044), (4, 5314533), (6, 3543022), (7, 3036876), (12, 1771511), (14, 1518438), (21, 1012292), (28, 759219), (42, 506146), (84, 253073), (97, 219156), (194, 109578), (291, 73052), (388, 54789), (582, 36526), (679, 31308), (1164, 18263), (1358, 15654), (2037, 10436), (2609, 8148), (2716, 7827), (4074, 5218)]