21092112

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^1\times {\mathrm{2063}}^1$

素因数の和:2148

約数の個数: 60

約数和(自身を含む): 59889024

約数和(自身を除く): 38796912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 142, 144, 213, 284, 426, 568, 639, 852, 1136, 1278, 1704, 2063, 2556, 3408, 4126, 5112, 6189, 8252, 10224, 12378, 16504, 18567, 24756, 33008, 37134, 49512, 74268, 99024, 146473, 148536, 292946, 297072, 439419, 585892, 878838, 1171784, 1318257, 1757676, 2343568, 2636514, 3515352, 5273028, 7030704, 10546056, 21092112]

約数ペア:

[(1, 21092112), (2, 10546056), (3, 7030704), (4, 5273028), (6, 3515352), (8, 2636514), (9, 2343568), (12, 1757676), (16, 1318257), (18, 1171784), (24, 878838), (36, 585892), (48, 439419), (71, 297072), (72, 292946), (142, 148536), (144, 146473), (213, 99024), (284, 74268), (426, 49512), (568, 37134), (639, 33008), (852, 24756), (1136, 18567), (1278, 16504), (1704, 12378), (2063, 10224), (2556, 8252), (3408, 6189), (4126, 5112)]