21287532

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253423}}^1$

素因数の和:253437

約数の個数: 24

約数和(自身を含む): 56766976

約数和(自身を除く): 35479444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253423, 506846, 760269, 1013692, 1520538, 1773961, 3041076, 3547922, 5321883, 7095844, 10643766, 21287532]

約数ペア:

[(1, 21287532), (2, 10643766), (3, 7095844), (4, 5321883), (6, 3547922), (7, 3041076), (12, 1773961), (14, 1520538), (21, 1013692), (28, 760269), (42, 506846), (84, 253423)]