21457584

素因数分解:

$2^4\times 3^2\times {\mathrm{149011}}^1$

素因数の和:149025

約数の個数: 30

約数和(自身を含む): 60051836

約数和(自身を除く): 38594252

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 149011, 298022, 447033, 596044, 894066, 1192088, 1341099, 1788132, 2384176, 2682198, 3576264, 5364396, 7152528, 10728792, 21457584]

約数ペア:

[(1, 21457584), (2, 10728792), (3, 7152528), (4, 5364396), (6, 3576264), (8, 2682198), (9, 2384176), (12, 1788132), (16, 1341099), (18, 1192088), (24, 894066), (36, 596044), (48, 447033), (72, 298022), (144, 149011)]