21840132

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{647}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 53343360

約数和(自身を除く): 31503228

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 97, 116, 174, 194, 291, 348, 388, 582, 647, 1164, 1294, 1941, 2588, 2813, 3882, 5626, 7764, 8439, 11252, 16878, 18763, 33756, 37526, 56289, 62759, 75052, 112578, 125518, 188277, 225156, 251036, 376554, 753108, 1820011, 3640022, 5460033, 7280044, 10920066, 21840132]

約数ペア:

[(1, 21840132), (2, 10920066), (3, 7280044), (4, 5460033), (6, 3640022), (12, 1820011), (29, 753108), (58, 376554), (87, 251036), (97, 225156), (116, 188277), (174, 125518), (194, 112578), (291, 75052), (348, 62759), (388, 56289), (582, 37526), (647, 33756), (1164, 18763), (1294, 16878), (1941, 11252), (2588, 8439), (2813, 7764), (3882, 5626)]