21401136

素因数分解:

$2^4\times 3^2\times {\mathrm{331}}^1\times {\mathrm{449}}^1$

素因数の和:794

約数の個数: 60

約数和(自身を含む): 60208200

約数和(自身を除く): 38807064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 331, 449, 662, 898, 993, 1324, 1347, 1796, 1986, 2648, 2694, 2979, 3592, 3972, 4041, 5296, 5388, 5958, 7184, 7944, 8082, 10776, 11916, 15888, 16164, 21552, 23832, 32328, 47664, 64656, 148619, 297238, 445857, 594476, 891714, 1188952, 1337571, 1783428, 2377904, 2675142, 3566856, 5350284, 7133712, 10700568, 21401136]

約数ペア:

[(1, 21401136), (2, 10700568), (3, 7133712), (4, 5350284), (6, 3566856), (8, 2675142), (9, 2377904), (12, 1783428), (16, 1337571), (18, 1188952), (24, 891714), (36, 594476), (48, 445857), (72, 297238), (144, 148619), (331, 64656), (449, 47664), (662, 32328), (898, 23832), (993, 21552), (1324, 16164), (1347, 15888), (1796, 11916), (1986, 10776), (2648, 8082), (2694, 7944), (2979, 7184), (3592, 5958), (3972, 5388), (4041, 5296)]