21287712

素因数分解:

$2^5\times 3^1\times {\mathrm{221747}}^1$

素因数の和:221760

約数の個数: 24

約数和(自身を含む): 55880496

約数和(自身を除く): 34592784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 221747, 443494, 665241, 886988, 1330482, 1773976, 2660964, 3547952, 5321928, 7095904, 10643856, 21287712]

約数ペア:

[(1, 21287712), (2, 10643856), (3, 7095904), (4, 5321928), (6, 3547952), (8, 2660964), (12, 1773976), (16, 1330482), (24, 886988), (32, 665241), (48, 443494), (96, 221747)]