21889168

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2917}}^1$

素因数の和:2999

約数の個数: 40

約数和(自身を含む): 49209152

約数和(自身を除く): 27319984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 268, 469, 536, 938, 1072, 1876, 2917, 3752, 5834, 7504, 11668, 20419, 23336, 40838, 46672, 81676, 163352, 195439, 326704, 390878, 781756, 1368073, 1563512, 2736146, 3127024, 5472292, 10944584, 21889168]

約数ペア:

[(1, 21889168), (2, 10944584), (4, 5472292), (7, 3127024), (8, 2736146), (14, 1563512), (16, 1368073), (28, 781756), (56, 390878), (67, 326704), (112, 195439), (134, 163352), (268, 81676), (469, 46672), (536, 40838), (938, 23336), (1072, 20419), (1876, 11668), (2917, 7504), (3752, 5834)]