21407316

素因数分解:

$2^2\times 3^1\times 7^4\times {\mathrm{743}}^1$

素因数の和:778

約数の個数: 60

約数和(自身を含む): 58350432

約数和(自身を除く): 36943116

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 743, 1029, 1372, 1486, 2058, 2229, 2401, 2972, 4116, 4458, 4802, 5201, 7203, 8916, 9604, 10402, 14406, 15603, 20804, 28812, 31206, 36407, 62412, 72814, 109221, 145628, 218442, 254849, 436884, 509698, 764547, 1019396, 1529094, 1783943, 3058188, 3567886, 5351829, 7135772, 10703658, 21407316]

約数ペア:

[(1, 21407316), (2, 10703658), (3, 7135772), (4, 5351829), (6, 3567886), (7, 3058188), (12, 1783943), (14, 1529094), (21, 1019396), (28, 764547), (42, 509698), (49, 436884), (84, 254849), (98, 218442), (147, 145628), (196, 109221), (294, 72814), (343, 62412), (588, 36407), (686, 31206), (743, 28812), (1029, 20804), (1372, 15603), (1486, 14406), (2058, 10402), (2229, 9604), (2401, 8916), (2972, 7203), (4116, 5201), (4458, 4802)]