21624872

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1699}}^1$

素因数の和:1785

約数の個数: 32

約数和(自身を含む): 42636000

約数和(自身を除く): 21011128

約数列:

[1, 2, 4, 8, 37, 43, 74, 86, 148, 172, 296, 344, 1591, 1699, 3182, 3398, 6364, 6796, 12728, 13592, 62863, 73057, 125726, 146114, 251452, 292228, 502904, 584456, 2703109, 5406218, 10812436, 21624872]

約数ペア:

[(1, 21624872), (2, 10812436), (4, 5406218), (8, 2703109), (37, 584456), (43, 502904), (74, 292228), (86, 251452), (148, 146114), (172, 125726), (296, 73057), (344, 62863), (1591, 13592), (1699, 12728), (3182, 6796), (3398, 6364)]