21377244

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{254491}}^1$

素因数の和:254505

約数の個数: 24

約数和(自身を含む): 57006208

約数和(自身を除く): 35628964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 254491, 508982, 763473, 1017964, 1526946, 1781437, 3053892, 3562874, 5344311, 7125748, 10688622, 21377244]

約数ペア:

[(1, 21377244), (2, 10688622), (3, 7125748), (4, 5344311), (6, 3562874), (7, 3053892), (12, 1781437), (14, 1526946), (21, 1017964), (28, 763473), (42, 508982), (84, 254491)]