21447324

素因数分解:

$2^2\times 3^2\times {\mathrm{757}}^1\times {\mathrm{787}}^1$

素因数の和:1554

約数の個数: 36

約数和(自身を含む): 54354664

約数和(自身を除く): 32907340

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 757, 787, 1514, 1574, 2271, 2361, 3028, 3148, 4542, 4722, 6813, 7083, 9084, 9444, 13626, 14166, 27252, 28332, 595759, 1191518, 1787277, 2383036, 3574554, 5361831, 7149108, 10723662, 21447324]

約数ペア:

[(1, 21447324), (2, 10723662), (3, 7149108), (4, 5361831), (6, 3574554), (9, 2383036), (12, 1787277), (18, 1191518), (36, 595759), (757, 28332), (787, 27252), (1514, 14166), (1574, 13626), (2271, 9444), (2361, 9084), (3028, 7083), (3148, 6813), (4542, 4722)]