21735152

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:513

約数の個数: 40

約数和(自身を含む): 44007600

約数和(自身を除く): 22272448

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 139, 232, 278, 337, 464, 556, 674, 1112, 1348, 2224, 2696, 4031, 5392, 8062, 9773, 16124, 19546, 32248, 39092, 46843, 64496, 78184, 93686, 156368, 187372, 374744, 749488, 1358447, 2716894, 5433788, 10867576, 21735152]

約数ペア:

[(1, 21735152), (2, 10867576), (4, 5433788), (8, 2716894), (16, 1358447), (29, 749488), (58, 374744), (116, 187372), (139, 156368), (232, 93686), (278, 78184), (337, 64496), (464, 46843), (556, 39092), (674, 32248), (1112, 19546), (1348, 16124), (2224, 9773), (2696, 8062), (4031, 5392)]