21531864

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2053}}^1$

素因数の和:2104

約数の個数: 64

約数和(自身を含む): 59155200

約数和(自身を除く): 37623336

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 23, 24, 38, 46, 57, 69, 76, 92, 114, 138, 152, 184, 228, 276, 437, 456, 552, 874, 1311, 1748, 2053, 2622, 3496, 4106, 5244, 6159, 8212, 10488, 12318, 16424, 24636, 39007, 47219, 49272, 78014, 94438, 117021, 141657, 156028, 188876, 234042, 283314, 312056, 377752, 468084, 566628, 897161, 936168, 1133256, 1794322, 2691483, 3588644, 5382966, 7177288, 10765932, 21531864]

約数ペア:

[(1, 21531864), (2, 10765932), (3, 7177288), (4, 5382966), (6, 3588644), (8, 2691483), (12, 1794322), (19, 1133256), (23, 936168), (24, 897161), (38, 566628), (46, 468084), (57, 377752), (69, 312056), (76, 283314), (92, 234042), (114, 188876), (138, 156028), (152, 141657), (184, 117021), (228, 94438), (276, 78014), (437, 49272), (456, 47219), (552, 39007), (874, 24636), (1311, 16424), (1748, 12318), (2053, 10488), (2622, 8212), (3496, 6159), (4106, 5244)]