21964656

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{65371}}^1$

素因数の和:65389

約数の個数: 40

約数和(自身を含む): 64849024

約数和(自身を除く): 42884368

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 65371, 130742, 196113, 261484, 392226, 457597, 522968, 784452, 915194, 1045936, 1372791, 1568904, 1830388, 2745582, 3137808, 3660776, 5491164, 7321552, 10982328, 21964656]

約数ペア:

[(1, 21964656), (2, 10982328), (3, 7321552), (4, 5491164), (6, 3660776), (7, 3137808), (8, 2745582), (12, 1830388), (14, 1568904), (16, 1372791), (21, 1045936), (24, 915194), (28, 784452), (42, 522968), (48, 457597), (56, 392226), (84, 261484), (112, 196113), (168, 130742), (336, 65371)]