21491952

素因数分解:

$2^4\times 3^1\times {\mathrm{447749}}^1$

素因数の和:447760

約数の個数: 20

約数和(自身を含む): 55521000

約数和(自身を除く): 34029048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 447749, 895498, 1343247, 1790996, 2686494, 3581992, 5372988, 7163984, 10745976, 21491952]

約数ペア:

[(1, 21491952), (2, 10745976), (3, 7163984), (4, 5372988), (6, 3581992), (8, 2686494), (12, 1790996), (16, 1343247), (24, 895498), (48, 447749)]