21201967008

素因数分解:

$2^5\times 3^2\times {\mathrm{13339}}^1\times {\mathrm{5519}}^1$

素因数の和:18874

約数の個数: 72

約数和(自身を含む): 60308539200

約数和(自身を除く): 39106572192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 5519, 11038, 13339, 16557, 22076, 26678, 33114, 40017, 44152, 49671, 53356, 66228, 80034, 88304, 99342, 106712, 120051, 132456, 160068, 176608, 198684, 213424, 240102, 264912, 320136, 397368, 426848, 480204, 529824, 640272, 794736, 960408, 1280544, 1589472, 1920816, 3841632, 73617941, 147235882, 220853823, 294471764, 441707646, 588943528, 662561469, 883415292, 1177887056, 1325122938, 1766830584, 2355774112, 2650245876, 3533661168, 5300491752, 7067322336, 10600983504, 21201967008]

約数ペア:

[(1, 21201967008), (2, 10600983504), (3, 7067322336), (4, 5300491752), (6, 3533661168), (8, 2650245876), (9, 2355774112), (12, 1766830584), (16, 1325122938), (18, 1177887056), (24, 883415292), (32, 662561469), (36, 588943528), (48, 441707646), (72, 294471764), (96, 220853823), (144, 147235882), (288, 73617941), (5519, 3841632), (11038, 1920816), (13339, 1589472), (16557, 1280544), (22076, 960408), (26678, 794736), (33114, 640272), (40017, 529824), (44152, 480204), (49671, 426848), (53356, 397368), (66228, 320136), (80034, 264912), (88304, 240102), (99342, 213424), (106712, 198684), (120051, 176608), (132456, 160068)]