21287088

素因数分解:

$2^4\times 3^2\times {\mathrm{147827}}^1$

素因数の和:147841

約数の個数: 30

約数和(自身を含む): 59574684

約数和(自身を除く): 38287596

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 147827, 295654, 443481, 591308, 886962, 1182616, 1330443, 1773924, 2365232, 2660886, 3547848, 5321772, 7095696, 10643544, 21287088]

約数ペア:

[(1, 21287088), (2, 10643544), (3, 7095696), (4, 5321772), (6, 3547848), (8, 2660886), (9, 2365232), (12, 1773924), (16, 1330443), (18, 1182616), (24, 886962), (36, 591308), (48, 443481), (72, 295654), (144, 147827)]