21253488

素因数分解:

$2^4\times 3^1\times {\mathrm{442781}}^1$

素因数の和:442792

約数の個数: 20

約数和(自身を含む): 54904968

約数和(自身を除く): 33651480

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 442781, 885562, 1328343, 1771124, 2656686, 3542248, 5313372, 7084496, 10626744, 21253488]

約数ペア:

[(1, 21253488), (2, 10626744), (3, 7084496), (4, 5313372), (6, 3542248), (8, 2656686), (12, 1771124), (16, 1328343), (24, 885562), (48, 442781)]