21903808

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{18013}}^1$

素因数の和:18044

約数の個数: 28

約数和(自身を含む): 45755560

約数和(自身を除く): 23851752

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 18013, 36026, 72052, 144104, 288208, 342247, 576416, 684494, 1152832, 1368988, 2737976, 5475952, 10951904, 21903808]

約数ペア:

[(1, 21903808), (2, 10951904), (4, 5475952), (8, 2737976), (16, 1368988), (19, 1152832), (32, 684494), (38, 576416), (64, 342247), (76, 288208), (152, 144104), (304, 72052), (608, 36026), (1216, 18013)]