21366456

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{12539}}^1$

素因数の和:12619

約数の個数: 32

約数和(自身を含む): 54172800

約数和(自身を除く): 32806344

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 12539, 25078, 37617, 50156, 75234, 100312, 150468, 300936, 890269, 1780538, 2670807, 3561076, 5341614, 7122152, 10683228, 21366456]

約数ペア:

[(1, 21366456), (2, 10683228), (3, 7122152), (4, 5341614), (6, 3561076), (8, 2670807), (12, 1780538), (24, 890269), (71, 300936), (142, 150468), (213, 100312), (284, 75234), (426, 50156), (568, 37617), (852, 25078), (1704, 12539)]