21927520

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7213}}^1$

素因数の和:7247

約数の個数: 48

約数和(自身を含む): 54537840

約数和(自身を除く): 32610320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 7213, 14426, 28852, 36065, 57704, 72130, 115408, 137047, 144260, 230816, 274094, 288520, 548188, 577040, 685235, 1096376, 1154080, 1370470, 2192752, 2740940, 4385504, 5481880, 10963760, 21927520]

約数ペア:

[(1, 21927520), (2, 10963760), (4, 5481880), (5, 4385504), (8, 2740940), (10, 2192752), (16, 1370470), (19, 1154080), (20, 1096376), (32, 685235), (38, 577040), (40, 548188), (76, 288520), (80, 274094), (95, 230816), (152, 144260), (160, 137047), (190, 115408), (304, 72130), (380, 57704), (608, 36065), (760, 28852), (1520, 14426), (3040, 7213)]