21532248.000000000

素因数分解:

$2^3\times 3^3\times {\mathrm{71}}^1\times {\mathrm{9931}}^1$

素因数の和:10017

約数の個数: 64

約数和(自身を含む): 429062400

約数和(自身を除く): 276760584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 108, 142, 213, 216, 284, 426, 568, 639, 852, 1278, 1704, 1917, 2556, 3834, 5112, 7668, 9931, 15336, 19862, 29793, 39724, 59586, 79448, 89379, 119172, 178758, 238344, 268137, 357516, 536274, 705101, 715032, 1072548, 1410202, 2115303, 2145096, 2820404, 4230606, 5640808, 6345909, 8461212, 12691818, 16922424, 19037727, 25383636, 38075454, 50767272, 76150908, 152301816]

約数ペア:

[(1, 152301816), (2, 76150908), (3, 50767272), (4, 38075454), (6, 25383636), (8, 19037727), (9, 16922424), (12, 12691818), (18, 8461212), (24, 6345909), (27, 5640808), (36, 4230606), (54, 2820404), (71, 2145096), (72, 2115303), (108, 1410202), (142, 1072548), (213, 715032), (216, 705101), (284, 536274), (426, 357516), (568, 268137), (639, 238344), (852, 178758), (1278, 119172), (1704, 89379), (1917, 79448), (2556, 59586), (3834, 39724), (5112, 29793), (7668, 19862), (9931, 15336)]