21540528

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{7873}}^1$

素因数の和:7906

約数の個数: 60

約数和(自身を含む): 63464440

約数和(自身を除く): 41923912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 684, 912, 1368, 2736, 7873, 15746, 23619, 31492, 47238, 62984, 70857, 94476, 125968, 141714, 149587, 188952, 283428, 299174, 377904, 448761, 566856, 598348, 897522, 1133712, 1196696, 1346283, 1795044, 2393392, 2692566, 3590088, 5385132, 7180176, 10770264, 21540528]

約数ペア:

[(1, 21540528), (2, 10770264), (3, 7180176), (4, 5385132), (6, 3590088), (8, 2692566), (9, 2393392), (12, 1795044), (16, 1346283), (18, 1196696), (19, 1133712), (24, 897522), (36, 598348), (38, 566856), (48, 448761), (57, 377904), (72, 299174), (76, 283428), (114, 188952), (144, 149587), (152, 141714), (171, 125968), (228, 94476), (304, 70857), (342, 62984), (456, 47238), (684, 31492), (912, 23619), (1368, 15746), (2736, 7873)]