21574368

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{3257}}^1$

素因数の和:3296

約数の個数: 72

約数和(自身を含む): 64039248

約数和(自身を除く): 42464880

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 69, 72, 92, 96, 138, 144, 184, 207, 276, 288, 368, 414, 552, 736, 828, 1104, 1656, 2208, 3257, 3312, 6514, 6624, 9771, 13028, 19542, 26056, 29313, 39084, 52112, 58626, 74911, 78168, 104224, 117252, 149822, 156336, 224733, 234504, 299644, 312672, 449466, 469008, 599288, 674199, 898932, 938016, 1198576, 1348398, 1797864, 2397152, 2696796, 3595728, 5393592, 7191456, 10787184, 21574368]

約数ペア:

[(1, 21574368), (2, 10787184), (3, 7191456), (4, 5393592), (6, 3595728), (8, 2696796), (9, 2397152), (12, 1797864), (16, 1348398), (18, 1198576), (23, 938016), (24, 898932), (32, 674199), (36, 599288), (46, 469008), (48, 449466), (69, 312672), (72, 299644), (92, 234504), (96, 224733), (138, 156336), (144, 149822), (184, 117252), (207, 104224), (276, 78168), (288, 74911), (368, 58626), (414, 52112), (552, 39084), (736, 29313), (828, 26056), (1104, 19542), (1656, 13028), (2208, 9771), (3257, 6624), (3312, 6514)]