21535836

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{571}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 57657600

約数和(自身を除く): 36121764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 449, 571, 898, 1142, 1347, 1713, 1796, 2284, 2694, 3143, 3426, 3997, 5388, 6286, 6852, 7994, 9429, 11991, 12572, 15988, 18858, 23982, 37716, 47964, 256379, 512758, 769137, 1025516, 1538274, 1794653, 3076548, 3589306, 5383959, 7178612, 10767918, 21535836]

約数ペア:

[(1, 21535836), (2, 10767918), (3, 7178612), (4, 5383959), (6, 3589306), (7, 3076548), (12, 1794653), (14, 1538274), (21, 1025516), (28, 769137), (42, 512758), (84, 256379), (449, 47964), (571, 37716), (898, 23982), (1142, 18858), (1347, 15988), (1713, 12572), (1796, 11991), (2284, 9429), (2694, 7994), (3143, 6852), (3426, 6286), (3997, 5388)]