21201112

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1381}}^1$

素因数の和:1507

約数の個数: 32

約数和(自身を含む): 42289200

約数和(自身を除く): 21088088

約数列:

[1, 2, 4, 8, 19, 38, 76, 101, 152, 202, 404, 808, 1381, 1919, 2762, 3838, 5524, 7676, 11048, 15352, 26239, 52478, 104956, 139481, 209912, 278962, 557924, 1115848, 2650139, 5300278, 10600556, 21201112]

約数ペア:

[(1, 21201112), (2, 10600556), (4, 5300278), (8, 2650139), (19, 1115848), (38, 557924), (76, 278962), (101, 209912), (152, 139481), (202, 104956), (404, 52478), (808, 26239), (1381, 15352), (1919, 11048), (2762, 7676), (3838, 5524)]