21563244

素因数分解:

$2^2\times 3^2\times {\mathrm{571}}^1\times {\mathrm{1049}}^1$

素因数の和:1630

約数の個数: 36

約数和(自身を含む): 54654600

約数和(自身を除く): 33091356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 571, 1049, 1142, 1713, 2098, 2284, 3147, 3426, 4196, 5139, 6294, 6852, 9441, 10278, 12588, 18882, 20556, 37764, 598979, 1197958, 1796937, 2395916, 3593874, 5390811, 7187748, 10781622, 21563244]

約数ペア:

[(1, 21563244), (2, 10781622), (3, 7187748), (4, 5390811), (6, 3593874), (9, 2395916), (12, 1796937), (18, 1197958), (36, 598979), (571, 37764), (1049, 20556), (1142, 18882), (1713, 12588), (2098, 10278), (2284, 9441), (3147, 6852), (3426, 6294), (4196, 5139)]