21105192

素因数分解:

$2^3\times 3^1\times {\mathrm{809}}^1\times {\mathrm{1087}}^1$

素因数の和:1905

約数の個数: 32

約数和(自身を含む): 52876800

約数和(自身を除く): 31771608

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 809, 1087, 1618, 2174, 2427, 3236, 3261, 4348, 4854, 6472, 6522, 8696, 9708, 13044, 19416, 26088, 879383, 1758766, 2638149, 3517532, 5276298, 7035064, 10552596, 21105192]

約数ペア:

[(1, 21105192), (2, 10552596), (3, 7035064), (4, 5276298), (6, 3517532), (8, 2638149), (12, 1758766), (24, 879383), (809, 26088), (1087, 19416), (1618, 13044), (2174, 9708), (2427, 8696), (3236, 6522), (3261, 6472), (4348, 4854)]