21474700540

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1\times {\mathrm{26407}}^1$

素因数の和:27046

約数の個数: 48

約数和(自身を含む): 45798443712

約数和(自身を除く): 24323743172

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 557, 730, 1114, 1460, 2228, 2785, 5570, 11140, 26407, 40661, 52814, 81322, 105628, 132035, 162644, 203305, 264070, 406610, 528140, 813220, 1927711, 3855422, 7710844, 9638555, 14708699, 19277110, 29417398, 38554220, 58834796, 73543495, 147086990, 294173980, 1073735027, 2147470054, 4294940108, 5368675135, 10737350270, 21474700540]

約数ペア:

[(1, 21474700540), (2, 10737350270), (4, 5368675135), (5, 4294940108), (10, 2147470054), (20, 1073735027), (73, 294173980), (146, 147086990), (292, 73543495), (365, 58834796), (557, 38554220), (730, 29417398), (1114, 19277110), (1460, 14708699), (2228, 9638555), (2785, 7710844), (5570, 3855422), (11140, 1927711), (26407, 813220), (40661, 528140), (52814, 406610), (81322, 264070), (105628, 203305), (132035, 162644)]