21074312

素因数分解:

$2^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1453}}^1$

素因数の和:1510

約数の個数: 48

約数和(自身を含む): 47240460

約数和(自身を除く): 26166148

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 49, 56, 74, 98, 148, 196, 259, 296, 392, 518, 1036, 1453, 1813, 2072, 2906, 3626, 5812, 7252, 10171, 11624, 14504, 20342, 40684, 53761, 71197, 81368, 107522, 142394, 215044, 284788, 376327, 430088, 569576, 752654, 1505308, 2634289, 3010616, 5268578, 10537156, 21074312]

約数ペア:

[(1, 21074312), (2, 10537156), (4, 5268578), (7, 3010616), (8, 2634289), (14, 1505308), (28, 752654), (37, 569576), (49, 430088), (56, 376327), (74, 284788), (98, 215044), (148, 142394), (196, 107522), (259, 81368), (296, 71197), (392, 53761), (518, 40684), (1036, 20342), (1453, 14504), (1813, 11624), (2072, 10171), (2906, 7252), (3626, 5812)]