21945816

素因数分解:

$2^3\times 3^6\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:148

約数の個数: 112

約数和(自身を含む): 63743760

約数和(自身を除く): 41797944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 53, 54, 71, 72, 81, 106, 108, 142, 159, 162, 212, 213, 216, 243, 284, 318, 324, 424, 426, 477, 486, 568, 636, 639, 648, 729, 852, 954, 972, 1272, 1278, 1431, 1458, 1704, 1908, 1917, 1944, 2556, 2862, 2916, 3763, 3816, 3834, 4293, 5112, 5724, 5751, 5832, 7526, 7668, 8586, 11289, 11448, 11502, 12879, 15052, 15336, 17172, 17253, 22578, 23004, 25758, 30104, 33867, 34344, 34506, 38637, 45156, 46008, 51516, 51759, 67734, 69012, 77274, 90312, 101601, 103032, 103518, 135468, 138024, 154548, 203202, 207036, 270936, 304803, 309096, 406404, 414072, 609606, 812808, 914409, 1219212, 1828818, 2438424, 2743227, 3657636, 5486454, 7315272, 10972908, 21945816]

約数ペア:

[(1, 21945816), (2, 10972908), (3, 7315272), (4, 5486454), (6, 3657636), (8, 2743227), (9, 2438424), (12, 1828818), (18, 1219212), (24, 914409), (27, 812808), (36, 609606), (53, 414072), (54, 406404), (71, 309096), (72, 304803), (81, 270936), (106, 207036), (108, 203202), (142, 154548), (159, 138024), (162, 135468), (212, 103518), (213, 103032), (216, 101601), (243, 90312), (284, 77274), (318, 69012), (324, 67734), (424, 51759), (426, 51516), (477, 46008), (486, 45156), (568, 38637), (636, 34506), (639, 34344), (648, 33867), (729, 30104), (852, 25758), (954, 23004), (972, 22578), (1272, 17253), (1278, 17172), (1431, 15336), (1458, 15052), (1704, 12879), (1908, 11502), (1917, 11448), (1944, 11289), (2556, 8586), (2862, 7668), (2916, 7526), (3763, 5832), (3816, 5751), (3834, 5724), (4293, 5112)]