21161784

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{125963}}^1$

素因数の和:125979

約数の個数: 32

約数和(自身を含む): 60462720

約数和(自身を除く): 39300936

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 125963, 251926, 377889, 503852, 755778, 881741, 1007704, 1511556, 1763482, 2645223, 3023112, 3526964, 5290446, 7053928, 10580892, 21161784]

約数ペア:

[(1, 21161784), (2, 10580892), (3, 7053928), (4, 5290446), (6, 3526964), (7, 3023112), (8, 2645223), (12, 1763482), (14, 1511556), (21, 1007704), (24, 881741), (28, 755778), (42, 503852), (56, 377889), (84, 251926), (168, 125963)]