21107448

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{4129}}^1$

素因数の和:4212

約数の個数: 48

約数和(自身を含む): 57985200

約数和(自身を除く): 36877752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 4129, 5112, 8258, 12387, 16516, 24774, 33032, 37161, 49548, 74322, 99096, 148644, 293159, 297288, 586318, 879477, 1172636, 1758954, 2345272, 2638431, 3517908, 5276862, 7035816, 10553724, 21107448]

約数ペア:

[(1, 21107448), (2, 10553724), (3, 7035816), (4, 5276862), (6, 3517908), (8, 2638431), (9, 2345272), (12, 1758954), (18, 1172636), (24, 879477), (36, 586318), (71, 297288), (72, 293159), (142, 148644), (213, 99096), (284, 74322), (426, 49548), (568, 37161), (639, 33032), (852, 24774), (1278, 16516), (1704, 12387), (2556, 8258), (4129, 5112)]