21005037368

素因数分解:

$2^3\times 7^3\times {\mathrm{7654897}}^1$

素因数の和:7654924

約数の個数: 32

約数和(自身を含む): 45929388000

約数和(自身を除く): 24924350632

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 7654897, 15309794, 30619588, 53584279, 61239176, 107168558, 214337116, 375089953, 428674232, 750179906, 1500359812, 2625629671, 3000719624, 5251259342, 10502518684, 21005037368]

約数ペア:

[(1, 21005037368), (2, 10502518684), (4, 5251259342), (7, 3000719624), (8, 2625629671), (14, 1500359812), (28, 750179906), (49, 428674232), (56, 375089953), (98, 214337116), (196, 107168558), (343, 61239176), (392, 53584279), (686, 30619588), (1372, 15309794), (2744, 7654897)]